CVE-2026-1102

Medium

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.3 before 18.6.4, 18.7 before 18.7.2, and 18.8 before 18.8.2 that could have allowed an unauthenticated user to create a denial of service condition by sending repeated malformed SSH authentication requests.

SeverityMedium
CVSS5.3
Exploit probability—
ProductGitlab
PublishedJan 22, 2026
First seenJan 22, 2026

How to fix

Update
  • gitlab gitlab18.6.4, 18.7.2, 18.8.2 or later

Affected products

ProductAffected versionsFixed in
gitlab gitlab12.3.0 ≤ v < 18.6.4, 18.7.0 ≤ v < 18.7.2, 18.8.0 ≤ v < 18.8.218.6.4, 18.7.2, 18.8.2

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CVE-2026-1102 · Gitlab · Dark Radar