CVE-2026-54104

U.S. GAO EPDS and CBCA EDS client-based privilege escalation

Published Jun 18, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Civilian Board Of Contract Appeals
Civilian Board Of Contract Appeals electronic Docketing System (eds)
Government Accountability Office
Government Accountability Office electronic Protest Docketing System (epds)
Vendors & Products Civilian Board Of Contract Appeals
Civilian Board Of Contract Appeals electronic Docketing System (eds)
Government Accountability Office
Government Accountability Office electronic Protest Docketing System (epds)
Type Values Removed Values Added
Description 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.
Title U.S. GAO EPDS and CBCA EDS client-based privilege escalation
Weaknesses CWE-602
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
cisa-cg
Published
Updated
Jun 22, 2026, 12:32 PM
Reserved
Jun 11, 2026, 7:41 PM
Status
Awaiting Analysis
Published
Jun 18, 2026, 5:16 PM
Modified
Jun 22, 2026, 2:17 PM