CVE-2026-100755
Last modified
CVE-2026-100755 is a medium-severity vulnerability rated 4.6/10 on the CVSS scale. GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.2 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain deployment configurations, could have allowed an authenticated user to poison cached page content served to other users due to improper cache key construction.. EPSS estimates a 0.08% chance of exploitation in the next 30 days.
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.2 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain deployment configurations, could have allowed an authenticated user to poison cached page content served to other users due to improper cache key construction.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 16.2.0, < 19.2.8 |
| Gitlab | Gitlab | >= 19.3.0, < 19.3.5 |
| Gitlab | Gitlab | >= 19.4.0, < 19.4.2 |
References
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/Release Notes, Vendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/work_items/627507Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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