VDB

CVE-2026-105777

CVE-2026-105777 PUBLISHED CVSS 4.3 MEDIUM

Insertion of Sensitive Information Into Sent Data in GitLab

Reported by gitlab · Published October 21, 2026

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.

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
gitlabgitlab19.5.1, 19.4.3, 19.3.6

Risk scores

CVSS 3.1
4.3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected products

VendorProductVersions
GitLabGitLab17.6.5, 19.4, 19.5
GitLabGitLab17.6.5, 19.4, 19.5

Timeline

  • Oct 21, 2026 CVE Published
  • Oct 22, 2026 EPSS Score (4 in total, the first dated here)
  • Oct 22, 2026 Coalition ESS Score

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2026-105777
vulnetix vdb fixes CVE-2026-105777

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2026-105777/fixes/registry"

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References

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