CVE-2026-54104CWE-602

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

High · published June 18, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
53.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
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
EPSS
0.00724 · 53.5th percentile
Weakness
CWE-602 · Client-Side Enforcement of Server-Side Security
Published
2026-06-18T16:12Z
EPSS history
Timeline
  • 18 JUN 16:12Z
    U.S. GAO EPDS and CBCA EDS client-based privilege escalation
    cvelistv5