dynaconf Affected by Remote Code Execution (RCE) via Insecure Template Evaluation in @jinja Resolver

{
  "id": "31424f493452f47b75013261f10337e4de3fc304fc0e5e22cbb539ccdeb623ac",
  "url": "https://osv.dev/vulnerability/CVE-2026-33154",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "dynaconf Affected by Remote Code Execution (RCE) via Insecure Template Evaluation in @jinja Resolver",
    "summary": "dynaconf is a configuration management tool for Python. Prior to version 3.2.13, Dynaconf is vulnerable to Server-Side Template Injection (SSTI) due to unsafe template evaluation in the @Jinja resolver. When the jinja2 package is installed, Dynaconf evaluates template expressions embedded in configuration values without a sandboxed environment. This issue has been patched in version 3.2.13.",
    "evidence": "osv:CVE-2026-33154",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-33154",
      "aliases": [
        "CVE-2026-33154",
        "GHSA-pxrr-hq57-q35p",
        "PYSEC-2026-2147"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/dynaconf/dynaconf",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3c39a2cc910e4e018f9c745494b019e979f587d1"
                },
                {
                  "fixed": "2fbb45ee36b8c0caa5b924fe19f3c1a5e8603fa7"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:dynaconf:dynaconf:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "3.2.13"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "2fbb45ee36b8c0caa5b924fe19f3c1a5e8603fa7"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "3c39a2cc910e4e018f9c745494b019e979f587d1"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "3.2.13"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.2.12",
            "3.2.11",
            "3.2.10",
            "3.2.9",
            "3.2.8",
            "3.2.7",
            "3.2.6",
            "3.2.5",
            "3.2.4",
            "1.1.0",
            "1.0.6",
            "1.0.5",
            "1.0.4",
            "1.0.3",
            "1.0.2",
            "1.0.1",
            "1.0.0",
            "0.7.6",
            "0.7.5",
            "0.7.4",
            "0.7.3",
            "0.7.2",
            "0.7.0",
            "0.6.0",
            "0.5.2",
            "0.5.0",
            "0.4.5",
            "0.4.4",
            "0.4.1",
            "python2",
            "0.3.0",
            "0.2.7",
            "0.2.1",
            "0.2.0",
            "0.1.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-33154.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:50.740923989Z",
      "provider": "osv",
      "references": [
        "https://github.com/dynaconf/dynaconf/releases/tag/3.2.13",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33154.json",
        "https://github.com/dynaconf/dynaconf/security/advisories/GHSA-pxrr-hq57-q35p",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-33154",
        "https://github.com/dynaconf/dynaconf/commit/2fbb45ee36b8c0caa5b924fe19f3c1a5e8603fa7"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-1336",
          "CWE-94"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33154.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-33154",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 519244,
  "published_at": "2026-03-20T20:22:59.09+00:00"
}