CVE-2026-54103

CRITICAL EPSS 34.2%

Published Jun 18, 20262w ago · Modified Jun 22, 20261w ago

9.3 CVSS 4.0

Critical

Published Jun 18, 2026 2w ago

Last Modified Jun 22, 2026 1w ago

Description

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.

CVSS Details

Base Score

9.3

Exploitability

—

Impact

—

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

34.2% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-306 Missing Authentication for Critical Function Authentication

References 4

epds.gao.gov https://epds.gao.gov/
raw.githubusercontent.com https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-169-01.json
cve.org https://www.cve.org/CVERecord?id=CVE-2026-54103
eds.cbca.gov https://www.eds.cbca.gov/login

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.