# CVE-2026-105777: Insertion of Sensitive Information Into Sent Data in GitLab

> CVE-2026-105777: Insertion of Sensitive Information Into Sent Data in GitLab. CVSS 4.3 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-105777
Last updated: 2026-10-22T16:18:19Z

- Published: 2026-10-21 23:34 UTC · Updated: 2026-10-22 16:18 UTC · Assigner: GitLab
- CVSS: 4.3 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- EPSS: 0.25%, 16th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-201

## Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.6.5 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, an unauthenticated user could have retrieved sensitive internal server credentials due to improper filtering of internal response headers.

## Affected vendors and products

- GitLab: GitLab

## Tracked companies

- [GitLab](https://rewindex.com/company/gitlab.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-105777)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-105777)
- [https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/](https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/)
- [https://gitlab.com/gitlab-org/gitlab/-/work\_items/597022](https://gitlab.com/gitlab-org/gitlab/-/work_items/597022)
- [https://hackerone.com/reports/3657282](https://hackerone.com/reports/3657282)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-105777 · Markdown: https://rewindex.com/cve/CVE-2026-105777.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-105777 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T04:06:20.105Z