CVE-2026-57289

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.

CVSS 3.1

4.8CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 4% of CVEs (scores of 2026-10-25)

CWE

CWE-295

Published

2026-06-24

Modified

2026-10-25

Record from

the NVD, synced 2026-10-25

Affected

• jenkins:bitbucket_push_and_pull_request

Packages (OSV)

References

• https://www.jenkins.io/security/advisory/2026-06-24/#SECURITY-3856

Check your stackJSON