CVE-2026-1184
Deserialization of Untrusted Data in GitLab
7.5
HIGH
CVSS 3.1
EPSS 0.02%
Description
GitLab has remediated an issue in GitLab EE affecting all versions from 11.9 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to cause denial of service by uploading a specially crafted file due to improper validation.
How to fix CVE-2026-1184
To remediate CVE-2026-1184, upgrade the affected package to a fixed version below.
- —upgrade to 18.9.7 or later
Is CVE-2026-1184 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 11.9.0, < 18.9.7, >= 18.10.0, < 18.10.6, >= 18.11.0, < 18.11.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |