CVE-2026-57289 json
Jenkins Bitbucket Push and Pull Request Plugin unconditionally disables SSL/TLS certificate validation
published 2026-06-24 4 mo ago modified 2026-10-25 14 d ago also GHSA-jwhr-h7pc-3974 , EUVD-2026-38770
- cvss
- 4.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 4%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- maven io.jenkins.plugins:bitbucket-push-and-pull-request 3.3.9
- jenkins bitbucket_push_and_pull_request 3.3.9
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 4 mo ago
Exploit prediction
0.16% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N |
| CNA | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N |
| GitHub | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | io.jenkins.plugins:bitbucket-push-and-pull-request | <3.3.9 |
3.3.9 |
Affected products
- Jenkins Project Jenkins Bitbucket Push and Pull Request Plugin
Classification
- Weakness
-
- CWE-295 Improper Certificate Validation
References
-
github.com
/jenkinsci/bitbucket-push-and-pull-request-plugin/commit/5a0ae2155692beab48c6a0578a3eff22304a2014
web
-
jenkins.io
/security/advisory/2026-06-24/#SECURITY-3856
vendor-advisory, web
-
nvd.nist.gov
/vuln/detail/CVE-2026-57289
advisory
-
github.com
/jenkinsci/bitbucket-push-and-pull-request-plugin
package
-
github.com
/jenkinsci/bitbucket-push-and-pull-request-plugin/releases/tag/bitbucket-push-and-pull-request-3.3.9
web
Sources
- CVE List CVE-2026-57289
- GitHub Advisory GHSA-jwhr-h7pc-3974
- NVD CVE-2026-57289
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.