CVE-2026-57289: Jenkins Bitbucket Push And Pull Request

Medium severity, CVSS 4.8. EPSS: 0.2% chance of exploitation in the next 30 days.

Jenkins Bitbucket Push and Pull Request Plugin 3.3.8 and earlier unconditionally disables SSL/TLS certificate and hostname validation for connections sending Bearer token authenticated requests to the configured Bitbucket Server endpoint, allowing attackers able to intercept network traffic to capture the token.

Affected products

• Jenkins Bitbucket Push And Pull Request: before 3.3.9 (fixed in 3.3.9)

Published 2026-06-24. Last modified 2026-06-26.