CVE-2026-54103CWE-306

U.S. GAO EPDS and CBCA EDS unauthenticated password change

Critical · published June 18, 2026

CVSS v4.0
9.3
EPSS
1%
Percentile
55.2
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) does not authenticate password change requests to the '/update-profile/N' API endpoint. A remote, unauthenticated attacker could change an arbitrary user's password.

The record
Technical detail
CVSS v4.0
9.3 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00772 · 55.2th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2026-06-18T16:12Z
EPSS history
Timeline
  • 18 JUN 16:12Z
    U.S. GAO EPDS and CBCA EDS unauthenticated password change
    cvelistv5