GHSA-MP7C-M3RH-R56V

Vulnerability from github – Published: 2025-09-16 20:18 – Updated: 2025-09-22 22:59
VLAI?
Summary
matrix-js-sdk has insufficient validation when considering a room to be upgraded by another
Details

Impact

matrix-js-sdk before 38.2.0 has insufficient validation of room predecessor links in MatrixClient::getJoinedRooms, allowing a remote attacker to attempt to replace a tombstoned room with an unrelated attacker-supplied room.

Patches

The issue has been patched and users should upgrade to 38.2.0.

Workarounds

Avoid using MatrixClient::getJoinedRooms in favour of getRooms() and filtering upgraded rooms separately.

Severity ?
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "matrix-js-sdk"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "38.2.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-59160"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20",
      "CWE-345",
      "CWE-862"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-09-16T20:18:57Z",
    "nvd_published_at": "2025-09-16T17:15:41Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\nmatrix-js-sdk before 38.2.0 has insufficient validation of room predecessor links in `MatrixClient::getJoinedRooms`, allowing a remote attacker to attempt to replace a tombstoned room with an unrelated attacker-supplied room.\n\n### Patches\nThe issue has been patched and users should upgrade to 38.2.0.\n\n### Workarounds\nAvoid using `MatrixClient::getJoinedRooms` in favour of `getRooms()` and filtering upgraded rooms separately.",
  "id": "GHSA-mp7c-m3rh-r56v",
  "modified": "2025-09-22T22:59:23Z",
  "published": "2025-09-16T20:18:57Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-mp7c-m3rh-r56v"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-59160"
    },
    {
      "type": "WEB",
      "url": "https://github.com/matrix-org/matrix-js-sdk/commit/43c72d5bf5e2d0a26b3b4f71092e7cb39d4137c4"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/matrix-org/matrix-js-sdk"
    },
    {
      "type": "WEB",
      "url": "https://github.com/matrix-org/matrix-js-sdk/releases/tag/v38.2.0"
    },
    {
      "type": "WEB",
      "url": "https://www.npmjs.com/package/matrix-js-sdk/v/38.2.0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "matrix-js-sdk has insufficient validation when considering a room to be upgraded by another"
}


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  • 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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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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