{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54104", "assignerOrgId": "9119a7d8-5eab-497f-8521-727c672e3725", "state": "PUBLISHED", "assignerShortName": "cisa-cg", "dateReserved": "2026-06-11T19:41:26.775Z", "datePublished": "2026-06-18T16:12:58.699Z", "dateUpdated": "2026-06-18T16:12:58.699Z"}, "containers": {"cna": {"descriptions": [{"lang": "en", "value": "The U.S. Government Accountability Office (GAO) Electronic Protest Docketing System (EPDS) and Civilian Board of Contract Appeals (CBCA) Electronic Docketing System (EDS) trusts client-provided values for the 'epds_role_id' parameter without verification, allowing a remote, authenticated attacker to escalate their own privileges."}], "affected": [{"vendor": "Government Accountability Office", "product": "Electronic Protest Docketing System (EPDS)", "defaultStatus": "unknown", "versions": [{"version": "0", "status": "affected", "lessThan": "2026-02-22", "versionType": "custom"}, {"version": "2026-02-22", "status": "unaffected"}]}, {"vendor": "Civilian Board of Contract Appeals", "product": "Electronic Docketing System (EDS)", "defaultStatus": "affected", "versions": [{"version": "0", "status": "affected", "lessThan": "2026-03-19", "versionType": "custom"}, {"version": "2026-03-19", "status": "unaffected"}]}], "tags": ["exclusively-hosted-service"], "problemTypes": [{"descriptions": [{"description": "CWE-602 Client-Side Enforcement of Server-Side Security", "lang": "en", "type": "CWE", "cweId": "CWE-602"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"cvssV4_0": {"version": "4.0", "baseScore": 8.7, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-06-11T16:16:59.303813Z", "id": "CVE-2026-54104", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "U.S. GAO EPDS and CBCA EDS client-based privilege escalation", "references": [{"name": "url", "url": "https://www.cve.org/CVERecord?id=CVE-2026-54104", "tags": ["vdb-entry"]}, {"name": "url", "url": "https://epds.gao.gov/", "tags": ["product"]}, {"name": "url", "url": "https://www.eds.cbca.gov/login", "tags": ["product"]}, {"name": "url", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-169-01.json"}], "credits": [{"value": "Blake Rash, CISA", "lang": "en"}], "datePublic": "2026-06-18T00:00:00.000Z", "providerMetadata": {"orgId": "9119a7d8-5eab-497f-8521-727c672e3725", "shortName": "cisa-cg", "dateUpdated": "2026-06-18T16:12:58.699Z"}}}}

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