CVE-2026-117626

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{"bugzilla": {"description": "jenkins: Jenkins: Information disclosure via path traversal in file browser", "id": "2562980", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2562980"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "status": "draft"}, "cwe": "CWE-22", "details": ["Jenkins 2.587 and earlier, LTS 2.580.1 and earlier improperly identifies file paths attempting path traversal in the file browser for workspaces and $JENKINS_HOME/userContent/, allowing attackers with Overall/Read permission to obtain the names, sizes, and last modification times of files in the $JENKINS_HOME, and attackers with Item/Workspace permission to obtain the names of jobs that have a workspace on the same agent.", "A flaw was found in Jenkins. The file browser for workspaces and user content fails to properly validate file paths, resulting in a path traversal vulnerability. An authenticated attacker with read or workspace permissions can exploit this flaw by submitting crafted requests to obtain sensitive file metadata, such as file names, sizes, and modification timestamps from the Jenkins home directory, or discover the names of other jobs residing on the same agent."], "name": "CVE-2026-117626", "public_date": "2026-10-28T16:48:37Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-117626\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-117626\nhttps://www.jenkins.io/security/advisory/2026-10-28/#SECURITY-4237"], "statement": "This vulnerability is rated as Moderate because exploitation requires authenticated access with Overall/Read or Item/Workspace privileges and is limited to information disclosure. The flaw does not permit reading file contents, modifying data, or executing arbitrary code on the controller or agents. Instead, affected endpoints only expose filesystem metadata, such as directory structures, filenames, and timestamps, which limits the overall blast radius in standard deployments.", "threat_severity": "Moderate"}

{"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": "2026-10-28T19:15:14.767700+00:00", "title": "Path Traversal in Jenkins File Browser Allows Information Disclosure", "updated": "2026-11-06T00:00:21.494442+00:00", "vendors": ["jenkins", "jenkins$PRODUCT$jenkins", "jenkins_project", "jenkins_project$PRODUCT$jenkins"]}