synapse — security advisory

{
  "id": "c0b57fe6c961b952186279efff67b31bd44ebe9bf54e1d49e65f594cfb57a5d1",
  "url": "https://osv.dev/vulnerability/CGA-h36g-763x-9f3c",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CGA-h36g-763x-9f3c",
    "summary": "CGA-h36g-763x-9f3c",
    "evidence": "osv:CGA-h36g-763x-9f3c",
    "products": [
      {
        "name": {
          "value": "synapse",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.164.1-r2",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CGA-h36g-763x-9f3c",
      "aliases": [
        "CGA-h36g-763x-9f3c"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.164.1-r2"
                }
              ]
            }
          ],
          "package": {
            "name": "synapse",
            "purl": "pkg:apk/chainguard/synapse?arch=x86_64",
            "ecosystem": "Chainguard"
          },
          "database_specific": {
            "source": "https://advisories.cgr.dev/chainguard/v3/osv/CGA-h36g-763x-9f3c.json",
            "chainguard": {
              "applies_to_subpackages": false
            }
          },
          "ecosystem_specific": {
            "components": [
              {
                "component_name": "twisted",
                "component_purl": "pkg:pypi/twisted@26.4.0",
                "component_type": "python",
                "component_version": "26.4.0",
                "component_location": "/opt/synapse/lib/python3.13/site-packages/twisted-26.4.0.dist-info/METADATA",
                "latest_event_status": "fixed",
                "latest_event_timestamp": "2026-10-30T16:08:09Z"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-30T20:46:07.828647663Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-106454",
        "GHSA-8pqf-f4m5-798g"
      ],
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/106xxx/CVE-2026-106454.json",
        "https://github.com/twisted/twisted/security/advisories/GHSA-8pqf-f4m5-798g",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-106454",
        "https://github.com/twisted/twisted/commit/2f8a3c29246f4eb324690e06a9767a11dc4aec9f",
        "https://github.com/twisted/twisted/pull/12788"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-106454",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 364581,
  "published_at": "2026-10-15T17:00:31+00:00"
}