What is GHSA-xw26-h8vq-gff9?

GHSA-xw26-h8vq-gff9 is a security advisory published by GitHub Security Advisories with Medium severity. GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.2 before 19.2.8, 19...

Which CVE IDs does GHSA-xw26-h8vq-gff9 cover?

GHSA-xw26-h8vq-gff9 covers the following CVE IDs: CVE-2026-100755. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-xw26-h8vq-gff9?

GHSA-xw26-h8vq-gff9 has a CVSS v3 base score of 4.6, published by GitHub Security Advisories.

GHSA-xw26-h8vq-gff9MediumCVSS 4.6

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.2 before 19.2.8, 19...

Vendor

GitHub Security Advisories

Published

October 13, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-100755 →

📋 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.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-100755
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released
https://gitlab.com/gitlab-org/gitlab/-/work_items/627507
https://github.com/advisories/GHSA-xw26-h8vq-gff9