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    1 vulnerability by frab

    CVE-2026-125364 (GCVE-0-2026-125364)

    Vulnerability from cvelistv5 – Published: 2026-11-09 23:27 – Updated: 2026-11-09 23:27
    VLAI
    Title
    frab through 0.9.1 Privilege Escalation via conference_users_attributes in UsersController
    Summary
    frab through 0.9.1 contains a privilege escalation vulnerability that allows authenticated crew users to grant themselves orga roles by submitting unchecked nested conference_users_attributes. Attackers can abuse UsersController#update or #create, which skip filter_conference_users, to gain orga on any conference and fully manage its events, schedule, reviewers and crew.
    Severity
    8.6 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
    8.1 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
    CWE
    • CWE-269 - Improper Privilege Management
    Assigner
    VulnCheck CNA
    References
    Impacted products
    Vendor Product Version
    frab frab Affected: 0 , ≤ 0.9.1 (semver)
    		Create a notification for this product.
    Date Public
    2026-11-05 00:00
    Credits
    George Chen
    Show details on NVD website
    To clipboard 

    {
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    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "frab",
          "vendor": "frab",
          "versions": [
            {
              "lessThanOrEqual": "0.9.1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
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          "lang": "en",
          "type": "finder",
          "value": "George Chen"
        }
      ],
      "datePublic": "2026-11-05T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "frab through 0.9.1 contains a privilege escalation vulnerability that allows authenticated crew users to grant themselves orga roles by submitting unchecked nested conference_users_attributes. Attackers can abuse UsersController#update or #create, which skip filter_conference_users, to gain orga on any conference and fully manage its events, schedule, reviewers and crew."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
          },
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        },
        {
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            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
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          },
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      "problemTypes": [
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          "descriptions": [
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              "description": "Improper Privilege Management",
              "lang": "en",
              "type": "CWE"
            }
          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-11-09T23:27:37.097Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "GitHub Issue #1053",
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/frab/frab/issues/1053"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/frab/frab"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/frab/frab/blob/0.9.1/app/controllers/users_controller.rb#L51"
        },
        {
          "tags": [
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          ],
          "url": "https://github.com/frab/frab/commit/8d14d491ac73f2e19030e95a86b6575106270eeb"
        },
        {
          "name": "VulnCheck Advisory: frab through 0.9.1 Privilege Escalation via conference_users_attributes in UsersController",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/frab-through-0.9.1-privilege-escalation-via-conference-users-attributes-in-userscontroller"
        }
      ],
      "title": "frab through 0.9.1 Privilege Escalation via conference_users_attributes in UsersController",
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  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-125364",
    "datePublished": "2026-11-09T23:27:37.097Z",
    "dateReserved": "2026-11-09T22:03:01.681Z",
    "dateUpdated": "2026-11-09T23:27:37.097Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
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