CVE-2026-54104

HIGH

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

Title source: cna

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.

References (4)

Core 4

Core References

Vdb Entry vdb-entry

url

https://www.cve.org/CVERecord?id=CVE-2026-54104

Product product

url

https://epds.gao.gov/

Product product

url

https://www.eds.cbca.gov/login

url

https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-169-01.json

Scores

CVSS v3 8.8

EPSS 0.0040

EPSS Percentile 31.8%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-602

Status published

Products (4)

Civilian Board of Contract Appeals/Electronic Docketing System (EDS) < 2026-03-19

Civilian Board of Contract Appeals/Electronic Docketing System (EDS) 2026-03-19

Government Accountability Office/Electronic Protest Docketing System (EPDS) < 2026-02-22

Government Accountability Office/Electronic Protest Docketing System (EPDS) 2026-02-22

Published Jun 18, 2026

Tracked Since Jun 18, 2026