Security advisory

{
  "id": "de48356da92496ea61bfdda5b86f0d97ce65d9fdca8ff35bbb16e8d502017ff9",
  "url": "https://osv.dev/vulnerability/CVE-2020-12668",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-12668",
    "summary": "Jinjava before 2.5.4 allow access to arbitrary classes by calling Java methods on objects passed into a Jinjava context. This could allow for abuse of the application class loader, including Arbitrary File Disclosure.",
    "evidence": "osv:CVE-2020-12668",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-12668",
      "aliases": [
        "CVE-2020-12668",
        "GHSA-2hjr-fg6c-v2h6"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/hubspot/jinjava",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "b5572e3fdf49608f7f5a49cbc822e232ac20ed67"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:hubspot:jinjava:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.5.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "b5572e3fdf49608f7f5a49cbc822e232ac20ed67"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "jinjava-2.5.4"
                  }
                ]
              }
            }
          ],
          "versions": [
            "jinjava-2.0.5",
            "jinjava-2.0.4",
            "jinjava-2.0.3",
            "jinjava-2.0.2",
            "jinjava-2.0.1",
            "jinjava-2.0.0",
            "jinjava-1.0.9",
            "jinjava-1.0.8",
            "jinjava-1.0.7",
            "jinjava-1.0.6",
            "jinjava-1.0.5",
            "jinjava-1.0.4",
            "jinjava-1.0.3",
            "jinjava-1.0.2",
            "jinjava-1.0.1",
            "jinjava-1.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-12668.json"
          }
        }
      ],
      "modified": "2026-10-20T10:51:35.251406366Z",
      "provider": "osv",
      "references": [
        "https://github.com/HubSpot/jinjava/compare/jinjava-2.5.3...jinjava-2.5.4",
        "https://github.com/HubSpot/jinjava/releases/tag/jinjava-2.5.4",
        "https://github.com/HubSpot/jinjava/pull/426/commits/5dfa5b87318744a4d020b66d5f7747acc36b213b",
        "https://github.com/HubSpot/jinjava/pull/435/commits/1b9aaa4b420c58b4a301cf4b7d26207f1c8d1165",
        "https://securitylab.github.com/advisories/GHSL-2020-072-hubspot_jinjava"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-12668",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 382609,
  "published_at": "2021-02-19T23:15:12.267+00:00"
}