CVE-2018-25332 CRITICAL

CVE-2018-25332: GitBucket 4.23.1 Unauthenticated Remote Code Execution

Vendor Gitbucket
Product GitBucket
Weakness CWE-306 · Missing auth
Published May 17, 2026
Last update May 18, 2026

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

GitBucket 4.23.1 contains an unauthenticated remote code execution vulnerability that allows attackers to execute arbitrary commands by exploiting weak secret token generation and insecure file upload functionality. Attackers can brute-force the Blowfish encryption key, upload a malicious JAR plugin via the git-lfs endpoint, and execute system commands through an exposed exploit endpoint.

Key dates

02Disclosure timeline

May 17, 2026 CVE published
May 18, 2026 Record updated