CVE-2026-1080 json
Authorization Bypass Through User-Controlled Key in GitLab
published 2026-02-11 8 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-7047
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 21%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- GitLab GitLab 18.6.6, 18.7.4, 18.8.4
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 8 mo ago
Exploit prediction
0.28% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- hackerone.com https://hackerone.com/reports/3484568 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
Affected products
- GitLab GitLab
Classification
- Weakness
-
- CWE-639 Authorization Bypass Through User-Controlled Key
- Technology feeds
References
-
hackerone.com
/reports/3484568
technical-description, exploit, permissions-required
-
about.gitlab.com
/releases/2026/02/10/patch-release-gitlab-18-8-4-released/
release-notes, vendor-advisory
-
gitlab.com
/gitlab-org/gitlab/-/issues/586477
issue-tracking, permissions-required, broken-link
Sources
- CVE List CVE-2026-1080
- NVD CVE-2026-1080
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.