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Open-source package vulnerability · GitLab

CVE-2026-105777: GitLab CE/EE internal credential exposure in internal response headers

mediumCVSS 3.1 4.3

Under certain conditions, an unauthenticated user could have retrieved sensitive internal server credentials due to improper filtering of internal response headers. Impacted versions: GitLab CE/EE all versions from 17.6.5 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1. Fixed in GitLab CE/EE 19.5.1, 19.4.3 and 19.3.6, released October 21, 2026.

Published Oct 21, 2026

Advisory details

From the National Vulnerability Database. This product uses the NVD API but is not endorsed or certified by the NVD.

Under certain conditions, an unauthenticated user could have retrieved sensitive internal server credentials due to improper filtering of internal response headers. Impacted versions: GitLab CE/EE all versions from 17.6.5 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1. Fixed in GitLab CE/EE 19.5.1, 19.4.3 and 19.3.6, released October 21, 2026.

Credited to altair00.

References

How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology

Coverage on the Beam blog

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