CVE-2026-54106

U.S. GAO EPDS and CBCA EDS network access control bypass

Published Jun 18, 2026 CVSS 4.0 · 5.1 Medium 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) do not validate X-Forwarded-For HTTP headers, allowing a remote attacker with compromised administrator credentials to bypass network access controls and log in.

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': 'poc', 'Technical Impact': 'partial'}, '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) do not validate X-Forwarded-For HTTP headers, allowing a remote attacker with compromised administrator credentials to bypass network access controls and log in.
Title U.S. GAO EPDS and CBCA EDS network access control bypass
Weaknesses CWE-940
References
Metrics cvssV3_1

{'score': 4.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
cisa-cg
Published
Updated
Jun 24, 2026, 7:52 PM
Reserved
Jun 11, 2026, 7:41 PM
Status
Awaiting Analysis
Published
Jun 18, 2026, 5:16 PM
Modified
Jun 24, 2026, 9:16 PM