{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0.1.0"
              },
              {
                "last_affected": "0.1.0"
              },
              {
                "introduced": "0.1.1"
              },
              {
                "last_affected": "0.1.1"
              },
              {
                "introduced": "0.1.2"
              },
              {
                "last_affected": "0.1.2"
              },
              {
                "introduced": "0.1.3"
              },
              {
                "last_affected": "0.1.3"
              },
              {
                "introduced": "0.1.4"
              },
              {
                "last_affected": "0.1.4"
              },
              {
                "introduced": "0.1.5"
              },
              {
                "last_affected": "0.1.5"
              },
              {
                "introduced": "0.1.6"
              },
              {
                "last_affected": "0.1.6"
              },
              {
                "introduced": "0.1.7"
              },
              {
                "last_affected": "0.1.7"
              },
              {
                "introduced": "0.1.8"
              },
              {
                "last_affected": "0.1.8"
              },
              {
                "introduced": "0.1.9"
              },
              {
                "last_affected": "0.1.9"
              },
              {
                "introduced": "0.1.10"
              },
              {
                "last_affected": "0.1.10"
              },
              {
                "introduced": "0.1.11"
              },
              {
                "last_affected": "0.1.11"
              },
              {
                "introduced": "0.1.12"
              },
              {
                "last_affected": "0.1.12"
              },
              {
                "introduced": "0.1.13"
              },
              {
                "last_affected": "0.1.13"
              },
              {
                "introduced": "0.1.14"
              },
              {
                "last_affected": "0.1.14"
              },
              {
                "introduced": "0.1.15"
              },
              {
                "last_affected": "0.1.15"
              },
              {
                "introduced": "0.1.16"
              },
              {
                "last_affected": "0.1.16"
              },
              {
                "introduced": "0.1.17"
              },
              {
                "last_affected": "0.1.17"
              },
              {
                "introduced": "0.1.18"
              },
              {
                "last_affected": "0.1.18"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "5fbd48fd0f7c9fd28495ffc3f087b72bb57f3c82"
            },
            {
              "last_affected": "d125f5307921f0dc00e8bea452776aeaf7df9b0a"
            }
          ],
          "repo": "https://github.com/pyspur-dev/pyspur",
          "type": "GIT"
        }
      ],
      "versions": [
        "0.1.0",
        "0.1.1",
        "0.1.10",
        "0.1.11",
        "0.1.12",
        "0.1.13",
        "0.1.14",
        "0.1.15",
        "0.1.16",
        "0.1.17",
        "0.1.18",
        "0.1.2",
        "0.1.3",
        "0.1.4",
        "0.1.5",
        "0.1.6",
        "0.1.7",
        "0.1.8",
        "0.1.9"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulDB",
    "cwe_ids": [
      "CWE-1336",
      "CWE-791"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6518.json"
  },
  "details": "A vulnerability was found in PySpur-Dev pyspur up to 0.1.18. It has been classified as critical. Affected is the function SingleLLMCallNode of the file backend/pyspur/nodes/llm/single_llm_call.py of the component Jinja2 Template Handler. The manipulation of the argument user_message leads to improper neutralization of special elements used in a template engine. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.",
  "id": "CVE-2025-6518",
  "modified": "2026-08-12T03:51:39.333967463Z",
  "published": "2025-06-23T19:00:11.222Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6518.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-6518"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/?id.313638"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/?submit.593612"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/PySpur-Dev/pyspur/issues/289"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/?ctiid.313638"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
      "type": "CVSS_V4"
    }
  ],
  "summary": "PySpur-Dev pyspur Jinja2 Template single_llm_call.py SingleLLMCallNode special elements used in a template engine"
}