{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "logto",
          "vendor": "logto-io",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 1.41.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.41.0, @logto/core reflected the SAML RelayState, SAMLResponse, and actionUrl into a Logto-origin auto-submit HTML form in packages/core/src/saml-application/SamlApplication/utils.ts without HTML-attribute escaping. A SAML application flow with a crafted RelayState from GET or POST /api/saml/:id/authn could inject script that runs on the Logto tenant origin after the user completes login. This issue is fixed in version 1.41.0."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-10T19:54:28.526Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/logto-io/logto/security/advisories/GHSA-cpm5-w86q-w85f",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/logto-io/logto/security/advisories/GHSA-cpm5-w86q-w85f"
        },
        {
          "name": "https://github.com/logto-io/logto/pull/9008",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/logto-io/logto/pull/9008"
        },
        {
          "name": "https://github.com/logto-io/logto/commit/209fa0a5cbe8522f9cf31873239dc6424099bb5e",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/logto-io/logto/commit/209fa0a5cbe8522f9cf31873239dc6424099bb5e"
        },
        {
          "name": "https://github.com/logto-io/logto/releases/tag/v1.41.0",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/logto-io/logto/releases/tag/v1.41.0"
        }
      ],
      "source": {
        "advisory": "GHSA-cpm5-w86q-w85f",
        "discovery": "UNKNOWN"
      },
      "title": "Logto: XSS via unescaped RelayState in SAML auto-submit form"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-54714",
    "datePublished": "2026-07-10T19:54:28.526Z",
    "dateReserved": "2026-06-15T22:58:06.564Z",
    "dateUpdated": "2026-07-10T19:54:28.526Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-54714",
      "date": "2026-07-11",
      "epss": "0.00253",
      "percentile": "0.16607"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-54714\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-07-10T20:16:46.173\",\"lastModified\":\"2026-07-10T20:16:46.173\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.41.0, @logto/core reflected the SAML RelayState, SAMLResponse, and actionUrl into a Logto-origin auto-submit HTML form in packages/core/src/saml-application/SamlApplication/utils.ts without HTML-attribute escaping. A SAML application flow with a crafted RelayState from GET or POST /api/saml/:id/authn could inject script that runs on the Logto tenant origin after the user completes login. This issue is fixed in version 1.41.0.\"}],\"affected\":[{\"source\":\"security-advisories@github.com\",\"affectedData\":[{\"vendor\":\"logto-io\",\"product\":\"logto\",\"versions\":[{\"version\":\"\u003c 1.41.0\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N\",\"baseScore\":6.1,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":2.7}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-79\"}]}],\"references\":[{\"url\":\"https://github.com/logto-io/logto/commit/209fa0a5cbe8522f9cf31873239dc6424099bb5e\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/logto-io/logto/pull/9008\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/logto-io/logto/releases/tag/v1.41.0\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/logto-io/logto/security/advisories/GHSA-cpm5-w86q-w85f\",\"source\":\"security-advisories@github.com\"}]}}"
  }
}