FKIE_CVE-2026-55689

Vulnerability from fkie_nvd - Published: 2026-07-09 22:17 - Updated: 2026-07-10 17:49
Severity
6.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Summary
OpenFGA is an authorization/permission engine built for developers. Prior to 1.18.0, OpenFGA's OIDC authenticator skipped JWT audience validation when authn.method was set to oidc, authn.oidc.issuer was configured, and authn.oidc.audience was not set, allowing a token minted for an unrelated service by the same identity provider to authenticate to OpenFGA. This issue is fixed in 1.18.0.
References
security-advisories@github.comhttps://github.com/openfga/helm-ch
security-advisories@github.comhttps://github.com/openfga/helm-charts/releases/tag/openfga-0.3.9
security-advisories@github.comhttps://github.com/openfga/openfga/commit/44596773b2e62738720ef215bf7fa04352954271
security-advisories@github.comhttps://github.com/openfga/openfga/releases/tag/v1.18.0
security-advisories@github.comhttps://github.com/openfga/openfga/security/advisories/GHSA-hcxc-wf8j-23hv
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "openfga",
          "vendor": "openfga",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 1.18.0"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "OpenFGA is an authorization/permission engine built for developers. Prior to 1.18.0, OpenFGA\u0027s OIDC authenticator skipped JWT audience validation when authn.method was set to oidc, authn.oidc.issuer was configured, and authn.oidc.audience was not set, allowing a token minted for an unrelated service by the same identity provider to authenticate to OpenFGA. This issue is fixed in 1.18.0."
    }
  ],
  "id": "CVE-2026-55689",
  "lastModified": "2026-07-10T17:49:57.737",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 5.2,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-55689",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-07-10T13:45:33.367225Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-07-09T22:17:06.553",
  "references": [
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/openfga/helm-ch"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/openfga/helm-charts/releases/tag/openfga-0.3.9"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/openfga/openfga/commit/44596773b2e62738720ef215bf7fa04352954271"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/openfga/openfga/releases/tag/v1.18.0"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/openfga/openfga/security/advisories/GHSA-hcxc-wf8j-23hv"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Undergoing Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}



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