undici's cache interceptor documents that only safe HTTP methods are cached, but its logic to skip caching is built by subtracting the configured methods from the set of safe methods, so an unsafe ...

{
  "id": "3829636901be1a40b2f60993e5513308dbe798a7b0d2dab731d0a8458c54c035",
  "url": "https://osv.dev/vulnerability/CLEANSTART-2026-AH89272",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "undici's cache interceptor documents that only safe HTTP methods are cached, but its logic to skip caching is built by subtracting the configured methods from the set of safe methods, so an unsafe ...",
    "summary": "Security vulnerability affects the langfuse package. undici's cache interceptor documents that only safe HTTP methods are cached, but its logic to skip caching is built by subtracting the configured methods from the set of safe methods, so an unsafe method such as POST, PUT, or DELETE is never placed in the skip list and instead falls through to th....",
    "evidence": "osv:CLEANSTART-2026-AH89272",
    "products": [
      {
        "name": {
          "value": "langfuse",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.225.9-r1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "critical",
    "structured": {
      "id": "CLEANSTART-2026-AH89272",
      "aliases": [
        "CLEANSTART-2026-AH89272"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.225.9-r1"
                }
              ]
            }
          ],
          "package": {
            "name": "langfuse",
            "purl": "pkg:apk/cleanstart/langfuse",
            "ecosystem": "CleanStart"
          },
          "database_specific": {
            "source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-AH89272.json"
          }
        }
      ],
      "modified": "2026-10-08T16:47:26.778530834Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-85008"
      ],
      "references": [
        "https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-AH89272.json",
        "https://osv.dev/vulnerability/CVE-2026-85008",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-85008"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2026-85008",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 103039,
  "published_at": "2026-09-29T00:39:59.506+00:00"
}