What is CVE-2026-100104?

CVE-2026-100104 is a low-severity vulnerability in GitLab, classified under Server-Side Request Forgery (SSRF). CVSS score: 3.5/10. Published 2026-10-13.

How severe is CVE-2026-100104?

Low severity. CVSS v3 base score is 3.5 out of 10.

SSRF in GitLab

CVE-2026-100104

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.3 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user to perform server-side request forgery and reach internal network resources due to a time-of-check to time-of-use race condition in URL validation during repository import operations.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2026-10-13 · last modified 2026-10-13.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

GitLab

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

Frequently asked questions

What is CVE-2026-100104?: CVE-2026-100104 is a low-severity vulnerability in GitLab, classified under Server-Side Request Forgery (SSRF). CVSS score: 3.5/10. Published 2026-10-13.
How severe is CVE-2026-100104?: Low severity. CVSS v3 base score is 3.5 out of 10.