Low severity · published Oct 13, 2026
CVE-2026-100104
Server-Side Request Forgery (SSRF) in GitLab
3.5
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 9% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GI
GitLab · GitLab
10.3 before 19.2.8; 19.3 before 19.3.5; 19.4 before 19.4.2 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-100104
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-100104
gitlab.com
https://gitlab.com/gitlab-org/gitlab/-/work_items/594194
docs.gitlab.com
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/
More from GitLab
10.0
CVE-2026-85706
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in GitLab
10.0
CVE-2021-22205
GitLab Community and Enterprise Editions Remote Code Execution Vulnerability
9.8
CVE-2023-7028
Weak Password Recovery Mechanism for Forgotten Password in GitLab
9.8
CVE-2021-22175
GitLab Server-Side Request Forgery (SSRF) Vulnerability
7.5
CVE-2021-39935
GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF) Vulnerability