What’s Vulnerable › Vulnerabilities

CVE-2026-54104: U.S. GAO EPDS and CBCA EDS client-based privilege escalation

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-18 · updated 2026-06-22
• Weakness: CWE-602

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.

Affected products

• Civilian Board of Contract Appeals Electronic Docketing System (EDS): before 2026-03-19 — fixed in 2026-03-19
• Government Accountability Office Electronic Protest Docketing System (EPDS): before 2026-02-22 — fixed in 2026-02-22

How to fix

Upgrade to a fixed version: Civilian Board of Contract Appeals Electronic Docketing System (EDS) 2026-03-19; Government Accountability Office Electronic Protest Docketing System (EPDS) 2026-02-22. Check the vendor advisory for mitigations.

References

• https://epds.gao.gov/
• https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-169-01.json
• https://www.cve.org/CVERecord?id=CVE-2026-54104
• https://www.eds.cbca.gov/login

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