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

CVSS 8.8 · High EPSS 0.72% · P51

Possible ATT&CK Techniques 1AI

T1078 · Valid Accounts

Affected Version Matrix 4

VendorProductVersion RangeStatus
Civilian Board of Contract AppealsElectronic Docketing System (EDS)< 2026-03-19affected
2026-03-19unaffected
Government Accountability OfficeElectronic Protest Docketing System (EPDS)< 2026-02-22affected
2026-02-22unaffected
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I. Basic Information for CVE-2026-54104

Vulnerability Information
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Vulnerability Title
U.S. GAO EPDS and CBCA EDS client-based privilege escalation
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
服务端安全的客户端实施
Source: CVE Program / CVE List V5
Vulnerability Title
Government Accountability Office Electronic Protest Docketing System 处理逻辑错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Government Accountability Office Electronic Protest Docketing System是美国Government Accountability Office政府部门的一个电子抗议登记系统，主要用于在线提交、管理和跟踪针对美国联邦政府采购合同的异议及抗议案件。 Government Accountability Office Electronic Protest Docketing System存在处理逻辑错误漏洞，该漏洞源于信任客户端提供的'epds_ro
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
Government Accountability OfficeElectronic Protest Docketing System (EPDS) 0 ~ 2026-02-22 -
Civilian Board of Contract AppealsElectronic Docketing System (EDS) 0 ~ 2026-03-19 -

II. Public POCs for CVE-2026-54104

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III. Intelligence Information for CVE-2026-54104

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Vendor Advisories for CVE-2026-54104 (2)

Other References for CVE-2026-54104 (1)

Same Patch Batch · Government Accountability Office · 2026-06-18 · 4 CVEs total

CVE-2026-541039.8 CRITICALU.S. GAO EPDS and CBCA EDS unauthenticated password change
CVE-2026-541055.3 MEDIUMU.S. GAO EPDS and CBCA EDS user information disclosure
CVE-2026-541064.7 MEDIUMU.S. GAO EPDS and CBCA EDS network access control bypass

IV. Related Vulnerabilities

Same product: Electronic Protest Docketing System (EPDS)
Same vendor: Government Accountability Office
Same weakness: CWE-602

V. Comments for CVE-2026-54104

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