Open5GS AMF context.c amf_context_final use after free

{
  "id": "955ada4b89c7a300a9ca8ac03a85a277c6754bca17978c999c23a45e11905f8a",
  "url": "https://osv.dev/vulnerability/CVE-2026-15194",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Open5GS AMF context.c amf_context_final use after free",
    "summary": "A security flaw has been discovered in Open5GS 2.7.7. This affects the function amf_context_final of the file src/amf/context.c of the component AMF. Performing a manipulation results in use after free. The attack is only possible with local access. The exploit has been released to the public and may be used for attacks.",
    "evidence": "osv:CVE-2026-15194",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2026-15194",
      "aliases": [
        "CVE-2026-15194",
        "GHSA-88pq-hpwv-2vjw"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/open5gs/open5gs",
              "type": "GIT",
              "events": [
                {
                  "introduced": "318eeb49a7dcdff733dec60e02d9c60aefca2fb9"
                },
                {
                  "last_affected": "318eeb49a7dcdff733dec60e02d9c60aefca2fb9"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "2.7.7"
                      },
                      {
                        "last_affected": "2.7.7"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.7.7",
            "v2.7.7"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-15194.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:49.315668517Z",
      "provider": "osv",
      "references": [
        "https://github.com/open5gs/open5gs/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/15xxx/CVE-2026-15194.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-15194",
        "https://vuldb.com/cve/CVE-2026-15194",
        "https://vuldb.com/submit/851630",
        "https://vuldb.com/vuln/377122",
        "https://vuldb.com/vuln/377122/cti",
        "https://github.com/open5gs/open5gs/security/advisories/GHSA-88pq-hpwv-2vjw"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-119",
          "CWE-416"
        ],
        "cna_assigner": "VulDB",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/15xxx/CVE-2026-15194.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-15194",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 517456,
  "published_at": "2026-07-09T17:00:07.483+00:00"
}