What is CVE-2026-1102?

CVE-2026-1102 is a medium-severity vulnerability in GitLab, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.3/10. Published 2026-01-22.

How severe is CVE-2026-1102?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Resource exhaustion in GitLab

CVE-2026-1102

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.

Published 2026-01-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.006 (46.4th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.000

Affected products

GitLab — versions 12.3, 18.7, 18.8

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

gitlab.com/gitlab-org/gitlab/-/issues/579746 (issue-tracking, permissions-required, Broken Link)
about.gitlab.com/releases/2026/01/21/patch-release-gitlab-18-8-2-released/ (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2026-1102?: CVE-2026-1102 is a medium-severity vulnerability in GitLab, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.3/10. Published 2026-01-22.
How severe is CVE-2026-1102?: Medium severity. CVSS v3 base score is 5.3 out of 10.