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.
Published: 2026-10-21
Score: 4.3 Medium
EPSS: n/a
KEV: No
AI Analysis

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Remediation

Vendor Solution

Upgrade to versions 19.3.6, 19.4.3, 19.5.1 or above.

Tracking

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Advisories

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History

Wed, 21 Oct 2026 23:45:00 +0000

Type Values Removed Values Added
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.
Title Insertion of Sensitive Information Into Sent Data in GitLab
First Time appeared Gitlab
Gitlab gitlab
Weaknesses CWE-201
CPEs cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Vendors & Products Gitlab
Gitlab gitlab
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

Subscriptions

Gitlab Gitlab
cve-icon MITRE

Status: PUBLISHED

Assigner: GitLab

Published:

Updated: 2026-10-21T23:34:25.440Z

Reserved: 2026-10-05T20:34:16.301Z

Link: CVE-2026-105777

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-22T01:16:57.467

Modified: 2026-10-22T01:16:57.467

Link: CVE-2026-105777

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-22T01:45:14Z

Weaknesses
  • CWE-201

    Insertion of Sensitive Information Into Sent Data