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Jenkins security advisory (AV26-782)

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Serial number: AV26-782 Date: August 6, 2026 As of August 5, 2026, Jenkins Project is affected by vulnerabilities in the following products: Jenkins ALL except 2.568.2 ALL except 2.576 Jenkins AWS CodeBuild Plugin Prior to or equal to 0.59 Jenkins CodeSonar Plugin Prior to or equal to 3.6.0 Jenkins Google Chat Notification Plugin Prior to or equal to 166.ve6b_de280f2e8 Jenkins Horreum Plugin Prior to or equal to 0.16.162.v33b_4a_a_b_5f828 Jenkins Ivy Report Plugin Prior to or equal to 1.2 Jenkins Multijob Plugin Prior to or equal to 669.v9d96a_d9c71b_0 Jenkins Violation Comments to GitLab Plugin Prior to or equal to 2.62.0 Jenkins XML Job to Job DSL Plugin Prior to or equal to 0.1.13 Remoting ALL except 3355.3357.v931d3c992987 ALL except 3385.vf1123fb_515da_ The Cyber Centre encourages users and administrators to review the provided web links and apply any necessary updates as they become available. Jenkins Security Advisory 2026-08-05 Security Advisories

CSIRTS triage

vendor: Jenkins Projectproduct: JenkinsOtheraffected: ALL except 2.568.2, 2.576; AWS CodeBuild Plugin ≤0.59; CodeSonar Plugin ≤3.6.0; Google Chat Notification Plugin ≤166.ve6b_de280f2e8; Horreum Plugin ≤0.16.162.v33b_4a_a_b_5f828; Ivy Report Plugin ≤1.2;
What
Multiple unspecified vulnerabilities affect Jenkins core and several plugins.
Who is affected
Jenkins deployments running affected versions across all plugins and remoting libraries.
Urgency
Moderate urgency; specific vulnerability details not disclosed but update versions are available.
Action
Update Jenkins to 2.568.2 or 2.576 and upgrade all affected plugins to their latest versions as listed.

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Details

Source
Canadian Centre for Cyber Security (CA · national-cert · site)
Severity
unknown
Published
2026-08-06
Exploitation
Not in CISA KEV at last sync

Original advisory: https://cyber.gc.ca/en/alerts-advisories/jenkins-security-advisory-av26-782

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