GitBucket 4.23.1 RCE via weak secret token & insecure upload
CVE-2018-25332 Published on May 17, 2026
GitBucket 4.23.1 Unauthenticated Remote Code Execution
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.
Vulnerability Analysis
CVE-2018-25332 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
Missing Authentication for Critical Function
The software does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
Products Associated with CVE-2018-25332
Want to know whenever a new CVE is published for Jenkins Gitbucket? stack.watch will email you.
