Jenkins Blue Ocean Plugin cross-site request forgery vulnerability
Jenkins Blue Ocean Plugin 1.27.5 and earlier does not require POST requests for an HTTP endpoint, resulting in a cross-site request forgery (CSRF) vulnerability.
This vulnerability allows attackers to connect to an attacker-specified URL, capturing GitHub credentials associated with an attacker-specified job.
This issue is due to an incomplete fix of SECURITY-2502.
Blue Ocean Plugin 1.27.5.1 uses the configured SCM URL, instead of a user-specified URL provided as a parameter to the HTTP endpoint.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | io.jenkins.blueocean:blueocean | < 1.27.5.1 | 1.27.5.1 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N- Weakness (CWE)
CWE-352- Platform
- Java / Kotlin (Maven)
- Package
io.jenkins.blueocean:blueocean- Disclosed
- 16.08.2023
- Updated
- 11.10.2026 11:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-g4pq-p927-7pgg - CC BY 4.0
Vulnerability history: io.jenkins.blueocean:blueocean
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
- 8
- First → latest
- 05.2022 08.2023
- Without a fix
- 1
- Exploited in attacks
- 0
Severity breakdown
- High 1
- Medium 7
Disclosures per year
- 2022: 7
- 2023: 1
- 2024: 0
- 2025: 0
- 2026: 0
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Jenkins Blue Ocean Plugin cross-site request forgery vulnerability this entry
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