{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-91147", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-09-14T20:35:52.198Z", "datePublished": "2026-09-18T16:43:51.546Z", "dateUpdated": "2026-09-18T16:43:51.546Z"}, "containers": {"cna": {"title": "Cockpit: cockpit: denial of service in `cockpit-ws` due to url-root handling without a trailing slash", "metrics": [{"other": {"content": {"value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A flaw was found in `cockpit-ws`. This vulnerability allows a remote, unauthenticated attacker to cause a Denial of Service (DoS) by sending a specially crafted request. When the `WebService.UrlRoot` is configured and a request is made to the exact URL-root prefix without a trailing slash, `cockpit-ws` can terminate unexpectedly. This issue leads to the unavailability of the Cockpit web service."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "cockpit", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:10"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "cockpit", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:7"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "cockpit", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:8"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "cockpit", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:9"]}, {"vendor": "Red Hat", "product": "Red Hat OpenShift Dev Spaces", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "devspaces/udi-base-rhel10", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:openshift_devspaces:3"]}, {"vendor": "Red Hat", "product": "Red Hat OpenShift Dev Spaces", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "devspaces/udi-base-rhel9", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:openshift_devspaces:3"]}, {"vendor": "Red Hat", "product": "Red Hat OpenShift Dev Spaces", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "devspaces/udi-rhel9", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:openshift_devspaces:3"]}], "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-91147", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2479230", "name": "RHBZ#2479230", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2026-09-18T16:29:00.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-617", "description": "Reachable Assertion", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-617: Reachable Assertion", "timeline": [{"lang": "en", "time": "2026-05-18T03:32:25.000Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-09-18T16:29:00.000Z", "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": "2026-09-18T16:43:51.546Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

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