CVE-2026-57289

Bitbucket Push & Pull Request Plugin Disables SSL Validation on Bearer Tokens, Allowing Token Capture

Published Jun 24, 2026 CVSS 3.1 · 4.8 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-jwhr-h7pc-3974 Jenkins Bitbucket Push and Pull Request Plugin unconditionally disables SSL/TLS certificate validation
History
Type Values Removed Values Added
First Time appeared Jenkins Project
Jenkins Project jenkins Bitbucket Push And Pull Request Plugin
Vendors & Products Jenkins Project
Jenkins Project jenkins Bitbucket Push And Pull Request Plugin
Type Values Removed Values Added
Title Bitbucket Push & Pull Request Plugin Disables SSL Validation on Bearer Tokens, Allowing Token Capture
Type Values Removed Values Added
Title Bitbucket Plugin Disables SSL/TLS Validation, Allowing Token Capture
Weaknesses CWE-310
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Bitbucket Plugin Disables SSL/TLS Validation, Allowing Token Capture
Weaknesses CWE-295
CWE-310
Type Values Removed Values Added
Description 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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
jenkins
Published
Updated
Jun 24, 2026, 2:15 PM
Reserved
Jun 24, 2026, 8:41 AM
Status
Analyzed
Published
Jun 24, 2026, 2:17 PM
Modified
Oct 25, 2026, 10:10 PM