CVE-2026-117616

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{"bugzilla": {"description": "jenkins: Jenkins: Arbitrary code execution via path traversal in agent names", "id": "2563020", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2563020"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-22", "details": ["Jenkins 2.587 and earlier, LTS 2.580.1 and earlier provides an HTTP endpoint that loads agents by name without validating the name, allowing attackers with Overall/Read permission to load any config.xml file on the controller file system as an agent configuration, and to overwrite an arbitrary config.xml file when that agent is saved, potentially resulting in arbitrary code execution.", "A flaw was found in Jenkins. An authenticated attacker with Overall/Read permissions can exploit an unvalidated HTTP endpoint to achieve arbitrary code execution on the Jenkins controller. By supplying a crafted agent name, an attacker can load arbitrary configuration files from the controller file system and subsequently overwrite them when saving the agent."], "name": "CVE-2026-117616", "public_date": "2026-10-28T16:48:31Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-117616\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-117616\nhttps://www.jenkins.io/security/advisory/2026-10-28/#SECURITY-4188"], "statement": "Red Hat Product Security has rated this vulnerability as Important because an authenticated user with low-level access (Overall/Read privileges) can trigger path traversal to compromise system integrity and achieve remote code execution on the controller host. In typical Jenkins deployments, Overall/Read is commonly granted to standard developers and automated accounts, giving a broad pool of users the ability to target the vulnerable HTTP interface. While the attack requires valid credentials, the lack of administrative permission requirements and the potential for full controller takeover justify the Important rating.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[2.588,*)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[2.580.2,2.581.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Jenkins", "source": "cna", "vendor": "Jenkins Project"}, "product": "jenkins", "vendor": "jenkins"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[2.588,*)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[2.580.2,2.581.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Jenkins", "source": "cna", "vendor": "Jenkins Project"}, "product": "jenkins", "vendor": "jenkins_project"}], "created": "2026-10-28T19:00:23.219978+00:00", "title": "Remote Code Execution via Unsanitized Agent Configuration Endpoint in Jenkins", "updated": "2026-11-02T19:00:06.839116+00:00", "vendors": ["jenkins", "jenkins$PRODUCT$jenkins", "jenkins_project", "jenkins_project$PRODUCT$jenkins"]}