CVE-2026-54106

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.

CVSS v3 4.7 MEDIUM

4.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://epds.gao.gov/
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-169-01.json
https://www.cve.org/CVERecord?id=CVE-2026-54106
https://www.eds.cbca.gov/login

Configurations

No configuration.

History

18 Jun 2026, 18:01

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-18 17:16

Updated : 2026-06-24 21:16

NVD link : CVE-2026-54106

Mitre link : CVE-2026-54106

CVE.ORG link : CVE-2026-54106

JSON object : View

Products Affected

No product.

CWE

CWE-940

Improper Verification of Source of a Communication Channel

{"id": "CVE-2026-54106", "cveTags": [{"tags": ["exclusively-hosted-service"], "sourceIdentifier": "9119a7d8-5eab-497f-8521-727c672e3725"}], "metrics": {"ssvcV203": [{"source": "9119a7d8-5eab-497f-8521-727c672e3725", "ssvcData": {"id": "CVE-2026-54106", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-11T19:54:32.618326Z"}}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-54106", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-24T19:52:03.881548Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "9119a7d8-5eab-497f-8521-727c672e3725", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.7, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "HIGH", "confidentialityImpact": "LOW"}, "impactScore": 3.4, "exploitabilityScore": 1.2}], "cvssMetricV40": [{"type": "Secondary", "source": "9119a7d8-5eab-497f-8521-727c672e3725", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 5.1, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "9119a7d8-5eab-497f-8521-727c672e3725", "affectedData": [{"vendor": "Government Accountability Office", "product": "Electronic Protest Docketing System (EPDS)", "versions": [{"status": "affected", "version": "0", "lessThan": "2026-02-22", "versionType": "custom"}, {"status": "unaffected", "version": "2026-02-22"}], "defaultStatus": "unknown"}, {"vendor": "Civilian Board of Contract Appeals", "product": "Electronic Docketing System (EDS)", "versions": [{"status": "affected", "version": "0", "lessThan": "2026-03-19", "versionType": "custom"}, {"status": "unaffected", "version": "2026-03-19"}], "defaultStatus": "affected"}]}], "published": "2026-06-18T17:16:33.847", "references": [{"url": "https://epds.gao.gov/", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}, {"url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-169-01.json", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}, {"url": "https://www.cve.org/CVERecord?id=CVE-2026-54106", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}, {"url": "https://www.eds.cbca.gov/login", "source": "9119a7d8-5eab-497f-8521-727c672e3725"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "9119a7d8-5eab-497f-8521-727c672e3725", "description": [{"lang": "en", "value": "CWE-940"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-06-24T21:16:58.007", "sourceIdentifier": "9119a7d8-5eab-497f-8521-727c672e3725"}