CVE-2026-54106

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

MEDIUM
4.7
CVSS Score
Published: June 18, 2026 at 04:13 PM UTC
Updated: June 24, 2026 at 09:16 PM UTC
2 products affected across 2 vendorsElectronic Protest Docketing SystemElectronic Docketing System

Using Electronic Protest Docketing System (EPDS) by Government Accountability Office?

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Severity
MEDIUM4.7
Exploit prediction
EPSS 0.5%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2026-3-19
Vendor states this is fixed in 2026-3-19 (unaffected)
v < 2026-2-22
Vendor states this is fixed in 2026-2-22 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.7MEDIUMcisa-cg
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-940

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