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Vulnerability Details :

CVE-2026-54104

Summary
Assigner-cisa-cg
Assigner Org ID-9119a7d8-5eab-497f-8521-727c672e3725
Published At-18 Jun, 2026 | 16:12
Updated At-22 Jun, 2026 | 12:32
Rejected At-
Credits

U.S. GAO EPDS and CBCA EDS client-based privilege escalation

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
â–¼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:cisa-cg
Assigner Org ID:9119a7d8-5eab-497f-8521-727c672e3725
Published At:18 Jun, 2026 | 16:12
Updated At:22 Jun, 2026 | 12:32
Rejected At:
â–¼CVE Numbering Authority (CNA)
U.S. GAO EPDS and CBCA EDS client-based privilege escalation

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
Vendor
Government Accountability Office
Product
Electronic Protest Docketing System (EPDS)
Default Status
unknown
Versions
Affected
  • From 0 before 2026-02-22 (custom)
Unaffected
  • 2026-02-22
Vendor
Civilian Board of Contract Appeals
Product
Electronic Docketing System (EDS)
Default Status
affected
Versions
Affected
  • From 0 before 2026-03-19 (custom)
Unaffected
  • 2026-03-19
Problem Types
TypeCWE IDDescription
CWECWE-602CWE-602 Client-Side Enforcement of Server-Side Security
Type: CWE
CWE ID: CWE-602
Description: CWE-602 Client-Side Enforcement of Server-Side Security
Metrics
VersionBase scoreBase severityVector
3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.08.7HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Version: 4.0
Base score: 8.7
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Blake Rash, CISA
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.cve.org/CVERecord?id=CVE-2026-54104
vdb-entry
https://epds.gao.gov/
product
https://www.eds.cbca.gov/login
product
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-169-01.json
N/A
Hyperlink: https://www.cve.org/CVERecord?id=CVE-2026-54104
Resource:
vdb-entry
Hyperlink: https://epds.gao.gov/
Resource:
product
Hyperlink: https://www.eds.cbca.gov/login
Resource:
product
Hyperlink: https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-169-01.json
Resource: N/A
â–¼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
â–¼National Vulnerability Database (NVD)
nvd.nist.gov
Source:9119a7d8-5eab-497f-8521-727c672e3725
Published At:18 Jun, 2026 | 17:16
Updated At:22 Jun, 2026 | 14:17

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.08.7HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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
Secondary3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
N/A
N/A
Type: Secondary
Version: 4.0
Base score: 8.7
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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
Type: Secondary
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: N/A
Version:
Base score:
Base severity: N/A
Vector:
Type: N/A
Version:
Base score:
Base severity: N/A
Vector:
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-602Secondary9119a7d8-5eab-497f-8521-727c672e3725
CWE ID: CWE-602
Type: Secondary
Source: 9119a7d8-5eab-497f-8521-727c672e3725
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://epds.gao.gov/9119a7d8-5eab-497f-8521-727c672e3725
N/A
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-169-01.json9119a7d8-5eab-497f-8521-727c672e3725
N/A
https://www.cve.org/CVERecord?id=CVE-2026-541049119a7d8-5eab-497f-8521-727c672e3725
N/A
https://www.eds.cbca.gov/login9119a7d8-5eab-497f-8521-727c672e3725
N/A
Hyperlink: https://epds.gao.gov/
Source: 9119a7d8-5eab-497f-8521-727c672e3725
Resource: N/A
Hyperlink: https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-169-01.json
Source: 9119a7d8-5eab-497f-8521-727c672e3725
Resource: N/A
Hyperlink: https://www.cve.org/CVERecord?id=CVE-2026-54104
Source: 9119a7d8-5eab-497f-8521-727c672e3725
Resource: N/A
Hyperlink: https://www.eds.cbca.gov/login
Source: 9119a7d8-5eab-497f-8521-727c672e3725
Resource: N/A

Change History

0
Information is not available yet

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