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CVE-2026-100104
Published:October 13, 2026
Updated:October 13, 2026
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.
Affected Packages
https://github.com/gitlabhq/gitlabhq.git (GITHUB):
Affected version(s) >=v19.3.0 <v19.3.5
Fix Suggestion:
Update to version v19.3.5
https://github.com/gitlabhq/gitlabhq.git (GITHUB):
Affected version(s) >=v10.3.0 <v19.2.8
Fix Suggestion:
Update to version v19.2.8
https://github.com/gitlabhq/gitlabhq.git (GITHUB):
Affected version(s) >=v19.4.0 <v19.4.2
Fix Suggestion:
Update to version v19.4.2
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CVSS v4
Base Score:
2.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
3.5
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Server-Side Request Forgery (SSRF)
EPSS
Base Score:
0.19