Cross-Site Request Forgery (CSRF) in org.jenkins-ci.plugins:jenkins-multijob-plugin (CVE-2026-9674)
Summary
Vulnerability in org.jenkins-ci.plugins:jenkins-multijob-plugin (CVE-2026-9674). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to 669.v9d96a or later.
Original description
The description as published by the source.
A cross-site request forgery (CSRF) vulnerability in Jenkins Multijob Plugin 662.vd2e0001f6b_b_d and earlier allows attackers to resume failed Multijob builds.
Source: NIST National Vulnerability Database NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-9674 has been found in org.jenkins-ci.plugins:jenkins-multijob-plugin.
Risk of unauthorized operations or information disclosure. CVSS score: 4.3/10.
What to do: upgrade org.jenkins-ci.plugins:jenkins-multijob-plugin to 669.v9d96a or later.
If unsure, ask your IT team or search "org.jenkins-ci.plugins:jenkins-multijob-plugin CVE-2026-9674" on the vendor's site.
CVE-2026-9674 (org.jenkins-ci.plugins:jenkins-multijob-plugin) — CWE-352 / CVSS v3 4.3
Attack vector: remote (network-reachable) / unauthenticated
Patched: 669.v9d96a — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
CSRF (CWE-352) exists in org.jenkins-ci.plugins:jenkins-multijob-plugin.
Check the vendor advisory for the affected versions of org.jenkins-ci.plugins:jenkins-multijob-plugin.
Severity: Medium (CVSS 4.3/10). Risk of unauthorized operations or information disclosure.
Update to 669.v9d96a.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで org.jenkins-ci.plugins:jenkins-multijob-plugin を使っているサービスとバージョンを洗い出す。
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2Apply patch patch
Upgrade org.jenkins-ci.plugins:jenkins-multijob-plugin to 669.v9d96aステージング環境で 669.v9d96a に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。
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3Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Affected packages
References
- advisory jenkins.io
- advisory nvd.nist.gov
- package github.com
- web github.com