langfuse-4-worker — security advisory

{
  "id": "520e35720f0ea17e38745e91c236d0811a74c050550624ddff40fa8b12e533ce",
  "url": "https://osv.dev/vulnerability/CGA-3895-qcv6-597c",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CGA-3895-qcv6-597c",
    "summary": "CGA-3895-qcv6-597c",
    "evidence": "osv:CGA-3895-qcv6-597c",
    "products": [
      {
        "name": {
          "value": "langfuse-4-worker",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.54.0-r1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CGA-3895-qcv6-597c",
      "aliases": [
        "CGA-3895-qcv6-597c"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.54.0-r1"
                }
              ]
            }
          ],
          "package": {
            "name": "langfuse-4-worker",
            "purl": "pkg:apk/chainguard/langfuse-4-worker?arch=aarch64",
            "ecosystem": "Chainguard"
          },
          "database_specific": {
            "source": "https://advisories.cgr.dev/chainguard/v3/osv/CGA-3895-qcv6-597c.json"
          },
          "ecosystem_specific": {
            "components": [
              {
                "component_name": "@modelcontextprotocol/sdk",
                "component_purl": "pkg:npm/%40modelcontextprotocol%2Fsdk@1.29.0",
                "component_type": "npm",
                "component_version": "1.29.0",
                "component_location": "/app/node_modules/.pnpm/@modelcontextprotocol+sdk@1.29.0_@cfworker+json-schema@4.1.1_supports-color@8.1.1_zod@4.3.6/node_modules/@modelcontextprotocol/sdk/package.json",
                "latest_event_status": "fixed",
                "latest_event_timestamp": "2026-10-08T16:49:10Z"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-08T22:30:29.978310902Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-104850",
        "GHSA-6qxp-vccf-f47h"
      ],
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/104xxx/CVE-2026-104850.json",
        "https://github.com/modelcontextprotocol/typescript-sdk/commit/edd12e282620ebf770d67316f19cf91d4112a1bd",
        "https://github.com/modelcontextprotocol/typescript-sdk/pull/2887",
        "https://github.com/modelcontextprotocol/typescript-sdk/releases/tag/v2.2.0",
        "https://github.com/modelcontextprotocol/typescript-sdk/security/advisories/GHSA-6qxp-vccf-f47h",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-104850"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-104850",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 105118,
  "published_at": "2026-10-07T10:17:11+00:00"
}