CVE-2026-1080 Authorization Bypass Through User-Controlled Key in GitLab
An authenticated user can access private iteration data from descendant groups via the API, requiring an upgrade to GitLab.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-1080?
CVE-2026-1080 is a medium-severity missing authorization vulnerability in Gitlab Gitlab, published on 11 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
GitLab has remediated an issue in GitLab EE affecting all versions from 16.7 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authenticated user to access iteration data from private descendant groups by querying the iterations API endpoint.
Weakness: CWE-639
Which versions are affected by CVE-2026-1080?
It affects 1 product.
Products include Gitlab Gitlab.
How do I fix CVE-2026-1080?
No fix has been published for CVE-2026-1080 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-1080 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-1080 exists.
Other vulnerabilities in Gitlab Gitlab
- CVE-2026-97229 GitLab Community Edition and Enterprise Edition Integer Overflow or Wraparound
- CVE-2026-85706 GitLab Community Edition and Enterprise Edition Path Traversal
- CVE-2023-7028 GitLab Community and Enterprise Editions Improper Access Control
- CVE-2021-22205 GitLab Community and Enterprise Editions Remote Code Execution
- CVE-2021-39935 GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF)
Sources
Also known as GHSA-x398-2rgf-67p8, UBUNTU-CVE-2026-1080.