CVE-2026-54104

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

State: Published
Severity: 8.7 High
Published: Jun 18, 2026
Updated: Jun 22, 2026
Reserved: Jun 11, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	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	cisa-cg
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	cisa-cg

Weaknesses

CWE-602 Client-Side Enforcement of Server-Side Security

Affected Products

Product	Versions
Electronic Protest Docketing System (EPDS)Government Accountability Office	before 2026-02-22Affected 2026-02-22Not affected
Electronic Docketing System (EDS)Civilian Board of Contract Appeals	before 2026-03-19Affected 2026-03-19Not affected

References

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