Jenkins GitHub plugin uses weak webhook signature function
Jenkins GitHub Plugin 1.34.4 and earlier uses a non-constant time comparison function when checking whether the provided and computed webhook signatures are equal, allowing attackers to use statistical methods to obtain a valid webhook signature. GitHub Plugin 1.34.5 uses a constant-time comparison when validating the webhook signature.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | com.coravy.hudson.plugins.github:github | < 1.34.5 | 1.34.5 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2022-36885
- https://github.com/jenkinsci/github-plugin/commit/11d1d79ebf85248dc43432389746c1ecc3452b6a
- https://github.com/jenkinsci/github-plugin
- https://github.com/jenkinsci/github-plugin/releases/tag/v1.34.5
- https://plugins.jenkins.io/github-issues
- https://www.jenkins.io/security/advisory/2022-07-27/#SECURITY-1849
- http://www.openwall.com/lists/oss-security/2022/07/27/1
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N- Weakness (CWE)
CWE-203, CWE-208- Platform
- Java / Kotlin (Maven)
- Package
com.coravy.hudson.plugins.github:github- Disclosed
- 28.07.2022
- Updated
- 11.10.2026 11:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-mxcc-7h5m-x57r - CC BY 4.0
Vulnerability history: com.coravy.hudson.plugins.github:github
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
- 6
- First → latest
- 05.2022 04.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 2
- Medium 2
- Low 1
Disclosures per year
- 2022: 4
- 2023: 1
- 2024: 0
- 2025: 0
- 2026: 1
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Jenkins GitHub plugin uses weak webhook signature function this entry
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