{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-104988","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","state":"PUBLISHED","assignerShortName":"redhat","dateReserved":"2026-10-02T18:56:53.056Z","datePublished":"2026-10-02T19:34:33.328Z","dateUpdated":"2026-10-05T17:44:25.025Z"},"containers":{"cna":{"title":"Pki-core: dogtag-pki: redhat-pki: pki: est fullcmc authentication bypass allows certificate mis-issuance with arbitrary subject","metrics":[{"other":{"content":{"value":"Important","namespace":"https://access.redhat.com/security/updates/classification/"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"format":"CVSS"}],"descriptions":[{"lang":"en","value":"A flaw was found in Dogtag PKI (pki-core). The CMCAuthForEST authentication plugin fails open when an EST fullcmc enrollment request is submitted via BasicAuth without an end-user TLS client certificate. The SSL_CLIENT_CERT session attribute retains the EST subsystem's agent certificate, which causes downstream authorization checks to treat the request as agent-privileged. An authenticated EST user can exploit this to obtain CA-signed certificates with arbitrary subject names."}],"affected":[{"vendor":"Red Hat","product":"Red Hat Certificate System 10","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"redhat-pki:10/redhat-pki","defaultStatus":"affected","cpes":["cpe:/a:redhat:certificate_system:10"]},{"vendor":"Red Hat","product":"Red Hat Certificate System 11","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"redhat-pki","defaultStatus":"affected","cpes":["cpe:/a:redhat:certificate_system:11"]},{"vendor":"Red Hat","product":"Red Hat Certificate System 9","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"pki-core","defaultStatus":"unaffected","cpes":["cpe:/a:redhat:certificate_system:9"]},{"vendor":"Red Hat","product":"Red Hat Certificate System 9","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"redhat-pki","defaultStatus":"unaffected","cpes":["cpe:/a:redhat:certificate_system:9"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 10","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"dogtag-pki","defaultStatus":"unaffected","cpes":["cpe:/o:redhat:enterprise_linux:10"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 6","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"pki-core","defaultStatus":"unaffected","cpes":["cpe:/o:redhat:enterprise_linux:6"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 7","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"pki-core","defaultStatus":"unaffected","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":"pki-core:10.6/pki-core","defaultStatus":"unaffected","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":"pki-core","defaultStatus":"unaffected","cpes":["cpe:/o:redhat:enterprise_linux:9"]}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-104988","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2545316","name":"RHBZ#2545316","tags":["issue-tracking","x_refsource_REDHAT"]}],"datePublic":"2026-10-02T19:04:41.516Z","problemTypes":[{"descriptions":[{"cweId":"CWE-290","description":"Authentication Bypass by Spoofing","lang":"en","type":"CWE"}]}],"x_redhatCweChain":"CWE-290: Authentication Bypass by Spoofing","workarounds":[{"lang":"en","value":"Disable basic authentication for all users. This can be done by removing the field \"UserPasswords\" for the user entries in the EST DS server."}],"timeline":[{"lang":"en","time":"2026-10-02T18:57:07.700Z","value":"Reported to Red Hat."},{"lang":"en","time":"2026-10-02T19:04:41.516Z","value":"Made public."}],"providerMetadata":{"orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat","dateUpdated":"2026-10-05T09:05:52.639Z"},"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-05T17:44:11.068326Z","id":"CVE-2026-104988","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-05T17:44:25.025Z"}}]}}