CVE-2026-14351

MEDIUMCVSS 4.3/10EPSS 0.25%

Last modified

CVE-2026-14351 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an unauthenticated user to view the title of a confidential issue through a publicly accessible merge request due to improper authorization checks.. EPSS estimates a 0.25% chance of exploitation in the next 30 days.

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an unauthenticated user to view the title of a confidential issue through a publicly accessible merge request due to improper authorization checks.

Metrics

CVSS 3.1
4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS Probability
0.25%

16.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GitlabGitlab>= 8.8.0, < 19.0.5
GitlabGitlab>= 19.1.0, < 19.1.3
GitlabGitlab19.2.0

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-14351?
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an unauthenticated user to view the title of a confidential issue through a publicly accessible merge request due to improper authorization checks.
How severe is CVE-2026-14351?
CVE-2026-14351 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.
How do I fix CVE-2026-14351?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST