Jenkins Slack Notification Plugin missing permission check
Jenkins Slack Notification Plugin did not perform permission checks on a method implementing form validation. This allowed users with Overall/Read access to Jenkins to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.
Additionally, this form validation method did not require POST requests, resulting in a cross-site request forgery vulnerability.
This form validation method now requires POST requests and Overall/Administer (for global configuration) or Item/Configure permissions (for job configuration).
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.jenkins-ci.plugins:slack | < 2.20 | 2.20 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2019-1003043
- https://github.com/jenkinsci/slack-plugin/commit/0268bbefdcc283effd27be5318770f7e75c6f102
- https://github.com/jenkinsci/slack-plugin
- https://jenkins.io/security/advisory/2019-03-25/#SECURITY-976
- https://web.archive.org/web/20200227082607/http://www.securityfocus.com/bid/107628
- http://www.openwall.com/lists/oss-security/2019/03/28/2
- CVSS vector
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N- Weakness (CWE)
CWE-862- Platform
- Java / Kotlin (Maven)
- Package
org.jenkins-ci.plugins:slack- Disclosed
- 13.05.2022
- Updated
- 11.10.2026 11:21
Sources and licenses
OSV / GitHub Advisory Database - GHSA-22xp-7rcx-xp34 - CC BY 4.0
Vulnerability history: org.jenkins-ci.plugins:slack
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
- 2
- First → latest
- 05.2022 05.2022
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 1
- Medium 1
Disclosures per year
- 2022: 2
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 0
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