CVE-2026-51584 (GCVE-0-2026-51584)

Vulnerability from cvelistv5 – Published: 2026-08-11 00:00 – Updated: 2026-08-11 13:53
VLAI
Summary
An issue in usememos v0.27.1 allows a remote attacker to achieve account takeover via the ssoCredentials branch of the SignIn handler in server/router/api/v1/auth_service.go, because SSO identity is matched only on an attacker-controllable identifier without binding to the IdP's stable subject claim.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
Show details on NVD website

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    "cna": {
      "affected": [
        {
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          "vendor": "n/a",
          "versions": [
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              "version": "n/a"
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      "descriptions": [
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          "lang": "en",
          "value": "An issue in usememos v0.27.1 allows a remote attacker to achieve account takeover via the ssoCredentials branch of the SignIn handler in server/router/api/v1/auth_service.go, because SSO identity is matched only on an attacker-controllable identifier without binding to the IdP\u0027s stable subject claim."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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              "lang": "en",
              "type": "text"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-11T13:53:12.288Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/usememos/memos"
        },
        {
          "url": "https://gist.github.com/seiyaibuki0523/33a4c06eb7d10914e5e5152ecd5100ec"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2026-51584",
    "datePublished": "2026-08-11T00:00:00.000Z",
    "dateReserved": "2026-06-08T00:00:00.000Z",
    "dateUpdated": "2026-08-11T13:53:12.288Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-51584\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2026-08-11T14:17:14.463\",\"lastModified\":\"2026-08-11T14:17:14.463\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An issue in usememos v0.27.1 allows a remote attacker to achieve account takeover via the ssoCredentials branch of the SignIn handler in server/router/api/v1/auth_service.go, because SSO identity is matched only on an attacker-controllable identifier without binding to the IdP\u0027s stable subject claim.\"}],\"affected\":[{\"source\":\"cve@mitre.org\",\"affectedData\":[{\"vendor\":\"n/a\",\"product\":\"n/a\",\"versions\":[{\"version\":\"n/a\",\"status\":\"affected\"}]}]}],\"metrics\":{},\"references\":[{\"url\":\"https://gist.github.com/seiyaibuki0523/33a4c06eb7d10914e5e5152ecd5100ec\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://github.com/usememos/memos\",\"source\":\"cve@mitre.org\"}]}}"
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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