Low severity · published Feb 2, 2026
CVE-2026-1751
Missing Authorization in GitLab
3.1
CVSS
0.2%
EPSS
No
On KEV
Description
A vulnerability has been discovered in GitLab CE/EE affecting all versions starting with 16.8 before 18.5.0 that could have allowed unauthorized edits to merge request approval rules under certain conditions.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GI
GitLab · GitLab
16.8 before 18.5.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1751
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1751
Exploit
https://gitlab.com/gitlab-org/gitlab/-/issues/519340
Permissions Required
https://hackerone.com/reports/2980839
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