CVE-2026-54105 (GCVE-0-2026-54105)

Vulnerability from cvelistv5 – Published: 2026-06-18 16:13 – Updated: 2026-06-18 16:13 Exclusively Hosted Service
VLAI
Title
U.S. GAO EPDS and CBCA EDS user information disclosure
Summary
The U.S. Government Accountability Office (GAO) Electronic Protest Docketing System (EPDS) and Civilian Board of Contract Appeals (CBCA) Electronic Docketing System (EDS) expose sensitive account information through the 'update-profile/' API endpoint. A remote, unauthenticated attacker can submit a request containing an arbitrary 'user_id' parameter and receive a JSON response containing account-specific information, including the associated email address.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Date Public
2026-06-18 00:00
Credits
Blake Rash, CISA
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "Electronic Protest Docketing System (EPDS)",
          "vendor": "Government Accountability Office",
          "versions": [
            {
              "lessThan": "2026-02-22",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            },
            {
              "status": "unaffected",
              "version": "2026-02-22"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Electronic Docketing System (EDS)",
          "vendor": "Civilian Board of Contract Appeals",
          "versions": [
            {
              "lessThan": "2026-03-19",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            },
            {
              "status": "unaffected",
              "version": "2026-03-19"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Blake Rash, CISA"
        }
      ],
      "datePublic": "2026-06-18T00:00:00.000Z",
      "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) expose sensitive account information through the \u0027update-profile/\u0027 API endpoint. A remote, unauthenticated attacker can submit a request containing an arbitrary \u0027user_id\u0027 parameter and receive a JSON response containing account-specific information, including the associated email address."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE"
          }
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          }
        },
        {
          "other": {
            "content": {
              "id": "CVE-2026-54105",
              "options": [
                {
                  "Exploitation": "none"
                },
                {
                  "Automatable": "yes"
                },
                {
                  "Technical Impact": "partial"
                }
              ],
              "role": "CISA Coordinator",
              "timestamp": "2026-06-11T16:16:19.191886Z",
              "version": "2.0.3"
            },
            "type": "ssvc"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-639",
              "description": "CWE-639 Authorization Bypass Through User-Controlled Key",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-18T16:13:24.123Z",
        "orgId": "9119a7d8-5eab-497f-8521-727c672e3725",
        "shortName": "cisa-cg"
      },
      "references": [
        {
          "name": "url",
          "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-169-01.json"
        },
        {
          "name": "url",
          "tags": [
            "vdb-entry"
          ],
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-54105"
        },
        {
          "name": "url",
          "tags": [
            "product"
          ],
          "url": "https://epds.gao.gov/"
        },
        {
          "name": "url",
          "tags": [
            "product"
          ],
          "url": "https://www.eds.cbca.gov/login"
        }
      ],
      "tags": [
        "exclusively-hosted-service"
      ],
      "title": "U.S. GAO EPDS and CBCA EDS user information disclosure"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9119a7d8-5eab-497f-8521-727c672e3725",
    "assignerShortName": "cisa-cg",
    "cveId": "CVE-2026-54105",
    "datePublished": "2026-06-18T16:13:24.123Z",
    "dateReserved": "2026-06-11T19:41:26.775Z",
    "dateUpdated": "2026-06-18T16:13:24.123Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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