CVE-2026-76561

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{"acknowledgement": "Red Hat would like to thank Gia Bui (yabeow) (Calif.io) for reporting this issue.", "bugzilla": {"description": "pki-core: Dogtag/PKI: certprofile-import allows code execution via unsanitized profile content (ExternalProcessConstraint)", "id": "2519523", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2519523"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.2", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-78", "details": ["A flaw was found in Dogtag PKI, as used by FreeIPA's certificate authority component. The certificate profile import functionality does not fully validate uploaded profile content beyond the profile ID. An authenticated user with CA Administrator privileges can exploit Dogtag's ExternalProcessConstraint mechanism to execute arbitrary commands with attacker-controlled environment variables, achieving code execution as the pkiuser account."], "mitigation": {"lang": "en:us", "value": "Until a fixed package is available, restrict membership in CA Administrator and equivalent roles to fully trusted operators, and audit certificate profile import operations for unexpected or unrecognized profile content. Review any custom ExternalProcessConstraint executable configuration in Dogtag for unnecessary exposure."}, "name": "CVE-2026-76561", "package_state": [{"cpe": "cpe:/a:redhat:certificate_system:9", "fix_state": "Affected", "package_name": "pki-core", "product_name": "Red Hat Certificate System 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "dogtag-pki", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "pki-core", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "pki-core", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "pki-core", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "pki-core:10.6/pki-core", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "pki-core", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-09-07T23:59:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-76561\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-76561"], "statement": "Exploitation of this flaw requires an existing CA-Administrator-equivalent account; it is not exploitable by an anonymous or unprivileged user on its own. This precondition is already reflected in the CVSS vector via Privileges Required: High. The integrated Dogtag certificate authority is enabled by default in a standard ipa-server-install deployment, and certificate profile import is a routine, expected CA Administrator operation. Once that precondition is met, exploitation is deterministic and reaches full code execution as pkiuser, with further escalation to root observed in tested environments. On its own, this flaw provides a privilege-escalation path from CA Administrator to host-level code execution", "threat_severity": "Important"}

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