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TI-2026-39031 Aliases CVE-2026-54106GHSA-96f7-vmp7-7rvh

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

Priority MEDIUM 56CWE-940Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00491 42nd percentileScored 2026-11-07
Fix Fixed Electronic Protest Docketing System (EPDS) (Government Accountability Office): 2026-02-22Electronic Docketing System (EDS) (Civilian Board of Contract Appeals): 2026-03-19

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Government Accountability OfficeElectronic Protest Docketing System (EPDS)before 2026-02-222026-02-22Patch availableCNA
Civilian Board of Contract AppealsElectronic Docketing System (EDS)before 2026-03-192026-03-19Patch availableCNA

Remediation

  • Fix · CNA Electronic Protest Docketing System (EPDS) (Government Accountability Office) Fixed in 2026-02-22
  • Fix · CNA Electronic Docketing System (EDS) (Civilian Board of Contract Appeals) Fixed in 2026-03-19

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

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

    4 records Highest priority Priority MEDIUM 3 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2026-39028 U.S. GAO EPDS and CBCA EDS unauthenticated password changePriority MEDIUM 49
    • TI-2026-39029 U.S. GAO EPDS and CBCA EDS client-based privilege escalationPriority MEDIUM 41
    • TI-2026-39030 U.S. GAO EPDS and CBCA EDS user information disclosurePriority LOW 37
  • Release ·

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

    4 records Highest priority Priority MEDIUM 3 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2026-39028 U.S. GAO EPDS and CBCA EDS unauthenticated password changePriority MEDIUM 49
    • TI-2026-39029 U.S. GAO EPDS and CBCA EDS client-based privilege escalationPriority MEDIUM 41
    • TI-2026-39030 U.S. GAO EPDS and CBCA EDS user information disclosurePriority LOW 37

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-54106
  2. 2026-10-03 Alias added: GHSA-96f7-vmp7-7rvh

References

  • TI-2026-39028 U.S. GAO EPDS and CBCA EDS unauthenticated password change CVSS 4.0CRITICAL 9.3
  • TI-2026-39029 U.S. GAO EPDS and CBCA EDS client-based privilege escalation CVSS 4.0HIGH 8.7
  • TI-2026-39030 U.S. GAO EPDS and CBCA EDS user information disclosure CVSS 4.0MEDIUM 6.9

Sources