Sign in

ZAP by Checkmarx

@zaproxy.org
1.2K followers 3 following 84 posts

The Worlds Most Popular Web App Scanner.

PostsRepliesMedia
ZAP by Checkmarx @zaproxy.org · 15/09/2026
The latest weekly release does not include the AJAX Spider and DOM XSS add-ons. You can install them via the Marketplace as usual, but we recommend you using the Client Spider and OWASP PTK add-ons instead. For more details see www.zaproxy.org/blog/2026-09... #zaproxy #appsec
zaproxy.org
ZAP Updates - August 2026
We’re retiring the AJAX Spider and DOM XSS add-ons from the nightly and weekly releases, and the new LLM Support add-on officially launched in August.
052
ZAP by Checkmarx @zaproxy.org · 08/09/2026
ZAP updates for August. We’re removing 2 add-ons from the nightly and weekly releases, so if you use those then make sure you read it to understand the implications. www.zaproxy.org/blog/2026-09... #zaproxy #appsec
zaproxy.org
ZAP Updates - August 2026
We’re retiring the AJAX Spider and DOM XSS add-ons from the nightly and weekly releases, and the new LLM Support add-on officially launched in August.
043
Reposted by ZAP by Checkmarx
kingthorin_rm @kingthorin.bsky.social · 07/08/2026
What's this? @zaproxy.org fuzzer update released this morning, with work from yours truly. #PenTest #WebAppSec #BugBountyTips
063
ZAP by Checkmarx @zaproxy.org · 07/08/2026
Introducing ZAP LLM Support: www.zaproxy.org/blog/2026-08... A new optional, opt-in add-on that lets you connect ZAP to an LLM of your choice. #zaproxy #appsec
zaproxy.org
The ZAP LLM Support Add-on
A new optional, opt-in add-on that lets you connect ZAP to an LLM of your choice, powering an interactive chat panel and AI-assisted features in the OpenAPI and Alert Filters add-ons.
031
ZAP by Checkmarx @zaproxy.org · 06/08/2026
www.zaproxy.org/blog/2026-08... - a huge increase in the number of times ZAP was started, and we now recommend using the Client Spider instead of the AJAX Spider #zaproxy #appsec
zaproxy.org
ZAP Updates - July 2026
ZAP was started more than 13 million times in July, another big jump, and the Client Spider officially became our recommended option for crawling modern web apps.
033
ZAP by Checkmarx @zaproxy.org · 31/07/2026
It has been 3 years since ZAP left OWASP. Update your docs! www.zaproxy.org/docs/nowaspz... #zaproxy #owasp
zaproxy.org
N⛔WASP ZAP
ZAP is no longer an OWASP project, and has not been one since August 2023. So if you see ZAP referred to as “OWASP ZAP” anywhere, that reference is out of date - the correct name is just ZAP, or ZAP b...
052
ZAP by Checkmarx @zaproxy.org · 06/07/2026
Big announcement! We now recommend that you use the Client Spider for crawling modern web apps, instead of the AJAX Spider. More details in the blog post: www.zaproxy.org/blog/2026-07... #zaproxy #appsec
zaproxy.org
Use the Client Spider for Modern Web Apps
We now recommend the Client Spider over the AJAX Spider for crawling modern web applications. It finds more endpoints, scales much better vs large apps, and unlocks PTK’s passive coverage for free.
141
ZAP by Checkmarx @zaproxy.org · 01/07/2026
ZAP Blog: June Updates www.zaproxy.org/blog/2026-07... More PTK integration, lots of Client Spider improvements, and much more.. #zaproxy #appsec
zaproxy.org
ZAP Updates - June 2026
In June the OWASP PTK add-on graduated to beta with its integration now properly matching ZAP’s architecture, a security advisory was issued and patched for the Viewstate add-on, and the Client Spider...
063
ZAP by Checkmarx @zaproxy.org · 29/06/2026
Blog Post: Even More OWASP PTK Integration with ZAP. SAST and IAST passive scanning out of the box with the Client Spider, and the active rule is now enabled by default. www.zaproxy.org/blog/2026-06... #zaproxy #owaspptk #appsec
zaproxy.org
Even More OWASP PTK Integration with ZAP
The PTK add-on graduates to beta, the active scan rule is on by default, recommended rule defaults reduce noise by avoiding duplicate findings, and a new Engines tab gives you fine-grained control ove...
141
ZAP by Checkmarx @zaproxy.org · 24/06/2026
An Insecure Java Deserialization vulnerability has been reported in a ZAP add-on via Neo by ProjectDiscovery. Update your ZAP add-ons now, and definitely update from older versions of ZAP. For more details see: www.zaproxy.org/blog/2026-06...
zaproxy.org
Java Deserialization Vulnerability in ZAP Viewstate Add-on
A Java Deserialization Vulnerability has been found in the ZAP Viewstate Add-on. Update your ZAP add-ons now, and if you are on an older version of ZAP then update that ASAP.
021
ZAP by Checkmarx @zaproxy.org · 05/06/2026
ZAP now has a dedicated PTK active scan rule, so you can run the PTK rules in the ZAP active scanner. Check out the dramatic improvement in the scores vs Google Firing Range! www.zaproxy.org/blog/2026-06... #zaproxy #owaspptk #appsec
zaproxy.org
Automating OWASP PTK with ZAP (Phase 2)
ZAP now has a dedicated PTK active scan rule, so you can run the PTK rules in the ZAP active scanner. And there are still more changes planned, but the results against Firing Range have been dramatic!
064
ZAP by Checkmarx @zaproxy.org · 02/06/2026
In May ZAP learned to scan MCP servers as a first-class target, OWASP PTK automation reached Phase 1, and the Params extension moved out of the core into its own add-on. www.zaproxy.org/blog/2026-06... #zaproxy #appsec
zaproxy.org
ZAP Updates - May 2026
In May ZAP learned to scan MCP servers as a first-class target, OWASP PTK automation reached Phase 1, and the Params extension moved out of the core into its own add-on.
043
ZAP by Checkmarx @zaproxy.org · 21/05/2026
ZAP can now scan MCP Servers, in the Desktop, Automation Framework and in a new GitHub Action. Read all about it on the blog: www.zaproxy.org/blog/2026-05... #zaproxy #appsec #mcp
zaproxy.org
Scanning MCP Servers with ZAP
ZAP can now scan MCP (Model Context Protocol) servers as a first-class target. Import an MCP server from the ZAP desktop or the Automation Framework, or run the new action-mcp-scan GitHub Action to sc...
021
ZAP by Checkmarx @zaproxy.org · 06/05/2026
Blog: Automating OWASP PTK with ZAP (Phase 1) You can now automate OWASP pentestkit using ZAP www.zaproxy.org/blog/2026-05... #zaproxy #owasp-ptk #appsec
zaproxy.org
Automating OWASP PTK with ZAP (Phase 1)
ZAP’s Automation Framework can now drive OWASP PTK scans using the Client Spider. This is an early release - we want you to try it and give us feedback while we work toward deeper integration with ZAP...
074
ZAP by Checkmarx @zaproxy.org · 15/04/2026
Blog: Vibe coding security fixes. www.zaproxy.org/blog/2026-04... Learn how ZAP can help you make your vibe coded projects more secure. #zaproxy #vibecoding #appsec
zaproxy.org
Vibe Coding Security Fixes
ZAP now has a “Generate Fix Prompt” option that copies everything an LLM needs to fix a vulnerability straight to your clipboard. Also: ZAP was run 9.5 million times in March. Vibe coding, anyone?
131
ZAP by Checkmarx @zaproxy.org · 14/04/2026
Guest Blog: www.zaproxy.org/blog/2026-04... Learn how to integrate ZAP with KRO in a Kubernetes cluster to scan the security of each new deployment. ℅ Trevor Mountney #zaproxy #kubernetes #appsec
zaproxy.org
Use ZAP with KRO in Kubernetes
Learn how to integrate ZAP with KRO in a Kubernetes cluster to scan the security of each new deployment.
011
ZAP by Checkmarx @zaproxy.org · 03/04/2026
Blog: ZAP Updates for March: www.zaproxy.org/blog/2026-04... ZAP was started 9.5 MILLION times .. and we announced significant collaborations with other open source projects #zaproxy #appsec
zaproxy.org
ZAP Updates - March 2026
ZAP was started nearly 9.5 million times in March, published integrations with 3 other open source projects, and released the first of many AI related features.
021
ZAP by Checkmarx @zaproxy.org · 02/04/2026
Introducing the ZAP MCP Server www.zaproxy.org/blog/2026-04... #zaproxy #mcp #ai #appsec
zaproxy.org
The ZAP MCP Server
Connect AI assistants like Claude and ChatGPT to ZAP via the Model Context Protocol. Start scans, read alerts, and explore your application—all through natural conversation.
030
ZAP by Checkmarx @zaproxy.org · 01/04/2026
This is huge! www.zaproxy.org/blog/2026-04... OWASP PTK massively increases ZAP’s browser side testing capabilities .. and automation is up next! Many thanks to Denis Podgurskii for this great integration. #zaproxy #owasp #appsec
zaproxy.org
OWASP PTK Findings as ZAP Alerts (Juice Shop Walkthrough)
OWASP PTK 9.8.0 and the ZAP OWASP PTK add-on 0.3.0 now let ZAP display OWASP PTK findings directly as ZAP Alerts. This post shows how to install the add-on, choose which PTK rules to run (SAST / IAST ...
062
ZAP by Checkmarx @zaproxy.org · 27/03/2026
New ZAP Blog Post: www.zaproxy.org/blog/2026-03... This post describes an approach that uses static analysis findings to guide ZAP’s active scans toward the most relevant endpoints. The result is a faster scanning mode suited for CI/CD pipelines. Thanks to the Seqra Team! #zaproxy #appsec
zaproxy.org
Guided ZAP Scans: Faster CI/CD Feedback Using Static Analysis
This post describes an approach that uses static analysis findings to guide ZAP’s active scans toward the most relevant endpoints. The result is a faster scanning mode suited for CI/CD pipelines, buil...
030
ZAP by Checkmarx @zaproxy.org · 19/03/2026
New ZAP Blog Post: Introducing DeepViolet: The Engine Behind ZAP’s New TLS Analysis www.zaproxy.org/blog/2026-03... Thanks to Milton Smith #zaproxy #deepviolet #appsec
zaproxy.org
Introducing DeepViolet
Introducing DeepViolet: The Engine Behind ZAP’s New TLS Analysis
064
ZAP by Checkmarx @zaproxy.org · 02/03/2026
New blog post: ZAP Updates - February 2026 www.zaproxy.org/blog/2026-03... #zaproxy #appsec
zaproxy.org
ZAP Updates - February 2026
February was another busy month for the ZAP project, with improvements across browser automation, GraphQL and the Encode/Decode/Hash add-on.
021
ZAP by Checkmarx @zaproxy.org · 25/02/2026
Do you need even more control over the browsers that you can launch from ZAP? You’ve got it! www.zaproxy.org/blog/2026-02... #zaproxy #appsec
zaproxy.org
Custom Browsers and Preferences
You can now add custom browsers to ZAP and manage any browser preferences.
020
ZAP by Checkmarx @zaproxy.org · 17/02/2026
Combine the Encode/Decode/Hash add-on with CyberChef operations in ZAP Encode/Decode Scripts for flexible encoding, decoding, and hashing in your testing workflow. www.zaproxy.org/blog/2026-02... #zaproxy #appsec #cyberchef
zaproxy.org
Using ZAP's Encode/Decode/Hash Add-on with CyberChef via Encode/Decode Scripts
Combine the Encode/Decode/Hash add-on with CyberChef operations in ZAP Encode/Decode Scripts for flexible encoding, decoding, and hashing in your testing workflow.
033
ZAP by Checkmarx @zaproxy.org · 06/02/2026
New Blog Post: Detecting Circular Type References in GraphQL Schemas www.zaproxy.org/blog/2026-02... #zaproxy #appsec #graphql
zaproxy.org
Detecting Circular Type References in GraphQL Schemas
ZAP can now detect cycles in GraphQL schemas that could lead to denial of service attacks.
041
ZAP by Checkmarx @zaproxy.org · 02/02/2026
New blog post: www.zaproxy.org/blog/2026-02... Highlights of 2025 and our initial plans for 2026, including more 3rd Party tool integrations, enhanced exploring and, yes, AI integration! #zaproxy #appsec #ai
zaproxy.org
ZAP Updates - 2025 Highlights and Plans for 2026
Highlights of 2025 and our initial plans for 2026, including more 3rd Party tool integrations, enhanced exploring and, yes, AI integration!
043
ZAP by Checkmarx @zaproxy.org · 19/01/2026
www.zaproxy.org/blog/2026-01... #zaproxy #owasp #appsec
zaproxy.org
OWASP PTK Integration with ZAP
OWASP PTK is now pre-installed in the browsers launched by ZAP (Chrome, Edge and Firefox). This post shows how to run PTK’s DAST, IAST, SAST, and SCA inside the same authenticated session you’re testi...
054
ZAP by Checkmarx @zaproxy.org · 08/01/2026
New “Getting Further with ZAP Scripting” pages: www.zaproxy.org/docs/getting... Looking for something more? Let @psiinon.bsky.social know!
zaproxy.org
ZAP – Getting Further with ZAP Scripting
The world’s most widely used web app scanner. Free and open source. ZAP is a community project actively maintained by a dedicated international team, and a GitHub Top 1000 project.
021
ZAP by Checkmarx @zaproxy.org · 15/12/2025
ZAP 2.17.0 is now available! It includes performance improvements, a significant reduction in “duplicate” alerts reported, and new Insights which give you key information about scans. www.zaproxy.org/blog/2025-12... #zaproxy #appsec
zaproxy.org
ZAP 2.17.0
ZAP 2.17.0 has just been released. The release includes core performance improvements and will significantly reduce the number of “duplicate” alerts reported.
042
ZAP by Checkmarx @zaproxy.org · 05/12/2025
New blog post: #React2Shell Detection with ZAP www.zaproxy.org/blog/2025-12... #zaproxy #appsec
zaproxy.org
React2Shell Detection with ZAP
React2Shell is the latest big “named” vulnerability - heres how you can detect it with ZAP.
084
ZAP by Checkmarx @zaproxy.org · 04/12/2025
The latest version of the retirejs add-on includes a test for CVE-2025-66478 which is marked as "critical" so update now to detect this vulnerability.
042
ZAP by Checkmarx @zaproxy.org · 03/12/2025
ZAP Updates for November 2025: www.zaproxy.org/blog/2025-12... 2.17.0 is coming soon, along with Insights and fixes for some issues that caused ZAP to log 50 million errors in one day! #zaproxy #appsec
zaproxy.org
ZAP Updates - November 2025
2.17.0 is coming soon, along with Insights and fixes for some issues that caused ZAP to log 50 million errors in one day!
021
ZAP by Checkmarx @zaproxy.org · 28/11/2025
New ZAP blog post - read how Telmon Maluleka is enhancing ZAP with AI for Bug Bounty Hunting www.zaproxy.org/blog/2025-11...
zaproxy.org
Enhancing ZAP with AI for Bug Bounty Hunting
Building an intelligent security testing system that leverages ZAP’s automation capabilities and machine learning to improve vulnerability detection
031
ZAP by Checkmarx @zaproxy.org · 25/11/2025
ZAP logged 50 MILLION errors yesterday 😮 Read the blog for more details! www.zaproxy.org/blog/2025-11... #zaproxy #appsec
zaproxy.org
50 Million Errors in One Day?!
ZAP logged a LOT of errors yesterday - heres why, and what we have already done to address the underlying problems
061
ZAP by Checkmarx @zaproxy.org · 24/11/2025
Today’s weekly is the 2.17 Release Candidate! github.com/zaproxy/zapr... Feedback appreciated
github.com
Release w2025-11-24 · zaproxy/zaproxy
File Checksum (SHA-256) ZAP_WEEKLY_D-2025-11-24.zip 6a0bab4207bdd498c24fd0edc6eddfa0789cf80510a8290ba3481d573458ccf2
022
ZAP by Checkmarx @zaproxy.org · 18/11/2025
The ZAP services may well be unavailable due to the ongoing Cloudflare problems. See www.cloudflarestatus.com for more information.
cloudflarestatus.com
Cloudflare Status
Welcome to Cloudflare's home for real-time and historical data on system performance.
021
ZAP by Checkmarx @zaproxy.org · 07/11/2025
ZAP Updates for October: www.zaproxy.org/blog/2025-11... #zaproxy #appsec
zaproxy.org
ZAP Updates - October 2025
Systemic alerts, check for updates bug, auth improvements, project pulse, etc See what the ZAP team has been up to.
041
ZAP by Checkmarx @zaproxy.org · 29/10/2025
We have just published a new ZAP weekly release, to fix a bug which could cause invalid JSON reports to be generated. If you are using the most recent weekly we recommend you update ASAP.
011
ZAP by Checkmarx @zaproxy.org · 21/10/2025
Sorry, we messed up! A new scan rule triggered the ZAP Check for Updates call even if you used the "silent" mode. For more details see www.zaproxy.org/blog/2025-10...
zaproxy.org
SHH! ZAP Was Not So Silent
A new ZAP scan rule unintentionally caused a Check for Updates call even when “silent” mode was used.
032
ZAP by Checkmarx @zaproxy.org · 15/10/2025
ZAP Blog: How to solve the Caido Labs using ZAP www.zaproxy.org/blog/2025-10... c/o 5ubterranean_
zaproxy.org
Solving Caido Labs
In this blog we show how to solve Caido labs using ZAP.
010
ZAP by Checkmarx @zaproxy.org · 01/10/2025
ZAP updates for September: www.zaproxy.org/blog/2025-10... #zaproxy #appsec
zaproxy.org
ZAP Updates - September 2025
Configuring scan policies with alert tags, WAVSEP adoption, alert de-duplication and a new add-on publishing guide.
032
ZAP by Checkmarx @zaproxy.org · 30/09/2025
New blog post: Alert De-Duplification www.zaproxy.org/blog/2025-09... #zaproxy #appsec
zaproxy.org
Alert De-Duplication
How and why we will be reporting fewer “duplicate” alerts in ZAP.
033
ZAP by Checkmarx @zaproxy.org · 08/09/2025
The ZAP team has forked and will maintain WAVSEP going forwards. This blog post explains why. www.zaproxy.org/blog/2025-09... #zaproxy #appsec #wavsep
zaproxy.org
ZAP is Adopting WAVSEP
The ZAP team has forked and will maintain WAVSEP going forwards. This blog post explains why.
011
ZAP by Checkmarx @zaproxy.org · 03/09/2025
You can now configure ZAP Scan Policies using Alert Tags: www.zaproxy.org/blog/2025-09... #zaproxy #appsec
zaproxy.org
Configuring Scan Policies with Alert Tags
A new feature in ZAP’s automation framework allows you to configure scan policies using alert tags, making it easier to target specific types of vulnerabilities without manually managing individual sc...
042
ZAP by Checkmarx @zaproxy.org · 02/09/2025
ZAP Updates - August 2025: www.zaproxy.org/blog/2025-09... Microsoft Online Login Support, forking wavsep and much, much more! #zaproxy #appsec
zaproxy.org
ZAP Updates - August 2025
Microsoft Online Login Support, forking wavsep and much, much more!
021
ZAP by Checkmarx @zaproxy.org · 21/08/2025
All of the translated ZAP help files on the Marketplace have been updated. Thanks to the Crowdin translators for their hard work! crowdin.com/project/zap-...
crowdin.com
ZAP Help — Translation Project on Crowdin
Help us translate ZAP Help and bring it to the world!
031
ZAP by Checkmarx @zaproxy.org · 15/08/2025
We have a new #evangelists channel on the ZAP Slack: www.zaproxy.org/slack/ For an invite go to www.zaproxy.org/slack/invite Join up and help spread the word about #zaproxy !
zaproxy.org
Slack
022
ZAP by Checkmarx @zaproxy.org · 13/08/2025
All of the ZAP Docker images in the Software Security Project Docker Hub org have now been deleted. If you were pulling from this org then please switch to the zaproxy org or use GHCR as per www.zaproxy.org/download/#do... #zaproxy #appsec
zaproxy.org
ZAP – Download
The world’s most widely used web app scanner. Free and open source. ZAP is a community project actively maintained by a dedicated international team, and a GitHub Top 1000 project.
052
ZAP by Checkmarx @zaproxy.org · 01/08/2025
ZAP Updates - July 2025 Authentication improvements, Edge support, timing rule changes, Docker news, and a new scan rule. www.zaproxy.org/blog/2025-08... #zaproxy #appsec
zaproxy.org
ZAP Updates - July 2025
Authentication improvements, Edge support, timing rule changes, Docker news, and a new scan rule.
032
ZAP by Checkmarx @zaproxy.org · 30/07/2025
Yesterday there were more than 25K ZAP scans run using old versions of ZAP. These are no longer being maintained. Update your ZAP installs now! #zaproxy #appsec
083