CVE-2026-1102
MEDIUMGitLab 12.3-18.6.3, 18.7-18.7.1, 18.8-18.8.1 - DoS via Malformed SSH Auth
Title source: llmDescription
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.
References (2)
Core 2
Core References
Broken Link issue-tracking
permissions-required
https://gitlab.com/gitlab-org/gitlab/-/issues/579746
Release Notes, Vendor Advisory
https://about.gitlab.com/releases/2026/01/21/patch-release-gitlab-18-8-2-released/
Scores
CVSS v3
5.3
EPSS
0.0054
EPSS Percentile
40.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-770
Status
published
Products (1)
gitlab/gitlab
12.3.0 - 18.6.4 (2 CPE variants)
Published
Jan 22, 2026
Tracked Since
Feb 18, 2026