{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-91202", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-09-14T21:58:42.731Z", "datePublished": "2026-09-18T19:21:11.039Z", "dateUpdated": "2026-09-18T19:21:11.039Z"}, "containers": {"cna": {"title": "Cockpit-files: cockpit-files: arbitrary file ownership change via symlink following in privileged paste", "metrics": [{"other": {"content": {"value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:L", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A flaw was found in cockpit-files. A low-privileged local user can exploit this vulnerability by crafting a directory containing a symbolic link (symlink) and then using the privileged \"Paste as owner\" function. This allows for arbitrary file ownership changes outside the intended pasted directory, leading to a compromise of data integrity. In some cases, this could also lead to reduced confidentiality if the new ownership grants unauthorized read access. Exploitation requires user interaction to select a non-original owner during the paste operation."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "cockpit-files", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:10"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "cockpit-files", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:9"]}], "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-91202", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2465834", "name": "RHBZ#2465834", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2026-09-18T16:33:00.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-61", "description": "UNIX Symbolic Link (Symlink) Following", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-61: UNIX Symbolic Link (Symlink) Following", "timeline": [{"lang": "en", "time": "2026-05-04T16:26:35.000Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-09-18T16:33:00.000Z", "value": "Made public."}], "credits": [{"lang": "en", "value": "This issue was discovered by Found by AISLE in partnership with Red Hat."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-09-18T19:21:11.039Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

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{"affected": [{"affectedData": [{"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux:10"], "defaultStatus": "affected", "packageName": "cockpit-files", "product": "Red Hat Enterprise Linux 10", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux:9"], "defaultStatus": "affected", "packageName": "cockpit-files", "product": "Red Hat Enterprise Linux 9", "vendor": "Red Hat"}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in cockpit-files. A low-privileged local user can exploit this vulnerability by crafting a directory containing a symbolic link (symlink) and then using the privileged \"Paste as owner\" function. This allows for arbitrary file ownership changes outside the intended pasted directory, leading to a compromise of data integrity. In some cases, this could also lead to reduced confidentiality if the new ownership grants unauthorized read access. Exploitation requires user interaction to select a non-original owner during the paste operation."}], "id": "CVE-2026-91202", "lastModified": "2026-09-18T20:17:29.260", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 1.3, "impactScore": 4.7, "source": "[email protected]", "type": "Primary"}]}, "published": "2026-09-18T20:17:29.260", "references": [{"source": "[email protected]", "url": "https://access.redhat.com/security/cve/CVE-2026-91202"}, {"source": "[email protected]", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2465834"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-61"}], "source": "[email protected]", "type": "Primary"}]}

{"acknowledgement": "This issue was discovered by Found by AISLE in partnership with Red Hat.", "bugzilla": {"description": "cockpit-files: cockpit-files: Arbitrary file ownership change via symlink following in privileged paste", "id": "2465834", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2465834"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:L", "status": "draft"}, "cwe": "CWE-61", "details": ["A flaw was found in cockpit-files. A low-privileged local user can exploit this vulnerability by crafting a directory containing a symbolic link (symlink) and then using the privileged \"Paste as owner\" function. This allows for arbitrary file ownership changes outside the intended pasted directory, leading to a compromise of data integrity. In some cases, this could also lead to reduced confidentiality if the new ownership grants unauthorized read access. Exploitation requires user interaction to select a non-original owner during the paste operation."], "name": "CVE-2026-91202", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "cockpit-files", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "cockpit-files", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-09-18T16:33:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-91202\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-91202"], "statement": "This issue in `cockpit-files` allows a local, low-privileged user to change arbitrary file ownership via symlink following during a privileged paste operation. Exploitation requires a crafted directory tree with symlinks, the use of the 'Paste as owner' feature in Cockpit with superuser mode, and user interaction to select a non-'original' owner, making it less straightforward to exploit than an Important issue.", "threat_severity": "Moderate"}

{}