Jenkins Bitbucket Push and Pull Request Plugin unconditionally disables SSL/TLS certificate validation
Jenkins Bitbucket Push and Pull Request Plugin 3.3.8 and earlier unconditionally disables SSL/TLS certificate and hostname validation for the connections it makes to Bitbucket Server using Bearer token authentication.
Because the Bearer token is transmitted in these requests, this allows attackers able to intercept network traffic to capture the token and impersonate the Jenkins controller to Bitbucket Server.
Bitbucket Push and Pull Request Plugin 3.3.9 validates SSL/TLS certificates and hostnames for the connections it makes to Bitbucket Server using Bearer token authentication, using the trust store configured for the Jenkins controller JVM.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | io.jenkins.plugins:bitbucket-push-and-pull-request | < 3.3.9 | 3.3.9 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-57289
- https://github.com/jenkinsci/bitbucket-push-and-pull-request-plugin/commit/5a0ae2155692beab48c6a0578a3eff22304a2014
- https://github.com/jenkinsci/bitbucket-push-and-pull-request-plugin
- https://github.com/jenkinsci/bitbucket-push-and-pull-request-plugin/releases/tag/bitbucket-push-and-pull-request-3.3.9
- https://www.jenkins.io/security/advisory/2026-06-24/#SECURITY-3856
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N- Weakness (CWE)
CWE-295- Platform
- Java / Kotlin (Maven)
- Package
io.jenkins.plugins:bitbucket-push-and-pull-request- Disclosed
- 24.06.2026
- Updated
- 11.10.2026 13:20
Sources and licenses
OSV / GitHub Advisory Database - GHSA-jwhr-h7pc-3974 - CC BY 4.0
Vulnerability history: io.jenkins.plugins:bitbucket-push-and-pull-request
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 2
- First → latest
- 09.2023 06.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 1
- Medium 1
Disclosures per year
- 2023: 1
- 2024: 0
- 2025: 0
- 2026: 1
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Jenkins Bitbucket Push and Pull Request Plugin unconditionally disables SSL/TLS certificate validation this entry
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