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Fencer Vulns
critical 9.8

CVE-2026-54103 json

U.S. GAO EPDS and CBCA EDS unauthenticated password change

published 2026-06-18 4 mo ago modified 2026-06-22 4 mo ago also EUVD-2026-37910

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

The U.S. Government Accountability Office (GAO) Electronic Protest Docketing System (EPDS) and Civilian Board of Contract Appeals (CBCA) Electronic Docketing System (EDS) does not authenticate password change requests to the '/update-profile/N' API endpoint. A remote, unauthenticated attacker could change an arbitrary user's password.

Patch / fix

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

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa vex VA-26-169-01 updated cvss 9.8

U.S. GAO EPDS and CBCA EDS multiple vulnerabilities

  • Civilian Board of Contract Appeals Electronic Docketing System (EDS) <2026-03-19 Government Accountability Office Electronic Protest Docketing System (EPDS) <2026-02-22
    affected: vendor fix
  • Civilian Board of Contract Appeals Electronic Docketing System (EDS) 2026-03-19 Government Accountability Office Electronic Protest Docketing System (EPDS) 2026-02-22
    fixed: vendor fix

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
4 mo ago

Exploit prediction

0.77% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 4.0 9.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CNA 4.0 9.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • Government Accountability Office Electronic Protest Docketing System (EPDS)
  • Civilian Board of Contract Appeals Electronic Docketing System (EDS)

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.