CVE-2018-25332

GitBucket 4.23.1 Unauthenticated Remote Code Execution

Published May 17, 2026 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:gitbucket:gitbucket:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Gitbucket
Gitbucket gitbucket
Vendors & Products Gitbucket
Gitbucket gitbucket
Type Values Removed Values Added
Description 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.
Title GitBucket 4.23.1 Unauthenticated Remote Code Execution
First Time appeared Jenkins
Jenkins gitbucket
Weaknesses CWE-306
CPEs cpe:2.3:a:jenkins:gitbucket:4.23.1:*:*:*:*:*:*:*
Vendors & Products Jenkins
Jenkins gitbucket
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
May 18, 2026, 5:56 PM
Reserved
May 17, 2026, 11:48 AM
Status
Analyzed
Published
May 17, 2026, 1:16 PM
Modified
Jun 17, 2026, 1:55 AM