{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "wekan",
          "vendor": "wekan",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 9.37"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Wekan is open source kanban built with Meteor. Prior to 9.37, Wekan DDP update allow rules in server/permissions/cards.js, server/permissions/lists.js, and server/permissions/swimlanes.js authorize against the stored source boardId and do not validate a new boardId in the update modifier. Any authenticated user with write access to their own board can call /cards/update, /lists/update, or /swimlanes/update to move cards, lists, or swimlanes into a private board they are not a member of. This issue is fixed in version 9.37."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 8.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-284",
              "description": "CWE-284: Improper Access Control",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-639",
              "description": "CWE-639: Authorization Bypass Through User-Controlled Key",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-15T21:15:30.485Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/wekan/wekan/security/advisories/GHSA-gm7v-pc38-53jr",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/wekan/wekan/security/advisories/GHSA-gm7v-pc38-53jr"
        },
        {
          "name": "https://github.com/wekan/wekan/commit/d369a3614a4737c29d48a6345a790edf2506ddae",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/wekan/wekan/commit/d369a3614a4737c29d48a6345a790edf2506ddae"
        },
        {
          "name": "https://github.com/wekan/wekan/releases/tag/v9.37",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/wekan/wekan/releases/tag/v9.37"
        }
      ],
      "source": {
        "advisory": "GHSA-gm7v-pc38-53jr",
        "discovery": "UNKNOWN"
      },
      "title": "Wekan: Broken access control: any authenticated user can move their Cards/Lists/Swimlanes into a private board they are not a member of (cross-board write via collection allow rule)"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-55234",
    "datePublished": "2026-07-15T21:13:35.600Z",
    "dateReserved": "2026-06-16T16:44:00.623Z",
    "dateUpdated": "2026-07-15T21:15:30.485Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-55234\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-07-15T22:17:25.880\",\"lastModified\":\"2026-07-15T22:17:25.880\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Wekan is open source kanban built with Meteor. Prior to 9.37, Wekan DDP update allow rules in server/permissions/cards.js, server/permissions/lists.js, and server/permissions/swimlanes.js authorize against the stored source boardId and do not validate a new boardId in the update modifier. Any authenticated user with write access to their own board can call /cards/update, /lists/update, or /swimlanes/update to move cards, lists, or swimlanes into a private board they are not a member of. This issue is fixed in version 9.37.\"}],\"affected\":[{\"source\":\"security-advisories@github.com\",\"affectedData\":[{\"vendor\":\"wekan\",\"product\":\"wekan\",\"versions\":[{\"version\":\"\u003c 9.37\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L\",\"baseScore\":8.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":3.1,\"impactScore\":4.7}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-284\"},{\"lang\":\"en\",\"value\":\"CWE-639\"}]}],\"references\":[{\"url\":\"https://github.com/wekan/wekan/commit/d369a3614a4737c29d48a6345a790edf2506ddae\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/wekan/wekan/releases/tag/v9.37\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/wekan/wekan/security/advisories/GHSA-gm7v-pc38-53jr\",\"source\":\"security-advisories@github.com\"}]}}"
  }
}