CVE-2023-3900

An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. An invalid 'start_sha' value on merge requests page may lead to Denial of Service as Changes tab would not load.

CVSS v3.1

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1

4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

EPSS

0.92% chance of exploitation in the next 30 days, 58th percentile

Published

2023-08-02

Updated

2025-11-20

Proof-of-concept exploits (1)

• https://hackerone.com/reports/2058514

References

• CVE Record
• NVD entry

Related

• CVE-2023-38999
• CVE-2023-39000
• CVE-2023-38998
• CVE-2023-39001
• CVE-2023-38997
• CVE-2023-39002