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Missing authorization in Jenkins Slack Notification Plugin

Priority LOW 36CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-862.

Summary

A missing permission check in Jenkins Slack Notification Plugin 2.19 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.

Why it matters now

EPSS 0.01433 73rd percentileScored 2026-11-07
Fix Fixed org.jenkins-ci.plugins:slack (Maven): 2.20

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
JenkinsJenkins Slack Notification Pluginup to 2.19—No fix listedCNA
—org.jenkins-ci.plugins:slack (Maven)before 2.202.20Patch availableGHSA-22xp-7rcx-xp34
  • Jenkins Slack Notification Plugin VendorJenkins Affected up to 2.19 Fixed in — No fix listed CNA
  • org.jenkins-ci.plugins:slack (Maven) Vendor— Affected before 2.20 Fixed in 2.20 Patch available GHSA-22xp-7rcx-xp34

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jenkins:slack_notification:*:*:*:*:*:jenkins:*:*up to 2.19VulnerableJenkins
  • cpe:2.3:a:jenkins:slack_notification:*:*:*:*:*:jenkins:*:* Versions up to 2.19 Vulnerable ·Jenkins

Remediation

  • Fix · GHSA-22xp-7rcx-xp34 org.jenkins-ci.plugins:slack (Maven) Fixed in 2.20 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-1003043
  2. 2026-10-03 Alias added: GHSA-22xp-7rcx-xp34

References

  • TI-2019-15889 Cross-site request forgery in Jenkins Slack Notification Plugin CVSS 3.0HIGH 7.1

Sources