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Frappe Framework Development Branch Incorrect Authorization via Jinja Template Preview Endpoint

Type: advisorySources: Official CVE List

Frappe Framework development builds contain an authorization flaw in the render_jinja_template endpoint that allows low-privileged users to render arbitrary Jinja templates by supplying raw template strings. Attackers with print permission on any document can execute arbitrary SELECT statements against unrelated tables, including reading password hashes from the __Auth table.

Products
frappe
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-82634
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 13:43 UTC · Revision 1

Source evidence

Frappe Framework Development Branch Incorrect Authorization via Jinja Template Preview Endpoint

core-cve · Original source

Published 30 Aug 2026, 12:34 UTC

Frappe Framework development builds contain an authorization flaw in the render_jinja_template endpoint that allows low-privileged users to render arbitrary Jinja templates by supplying raw template strings. Attackers with print permission on any document can execute arbitrary SELECT statements against unrelated tables, including reading password hashes from the __Auth table.

cve:CVE-2026-82634

frappe

Fixed versions: Not specified

Complete source record
{
  "id": "d292132d13891ecf0e45e869577005ab60d041b4357085aff7a27d4ff3f4d860",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-82634",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Frappe Framework Development Branch Incorrect Authorization via Jinja Template Preview Endpoint",
    "summary": "Frappe Framework development builds contain an authorization flaw in the render_jinja_template endpoint that allows low-privileged users to render arbitrary Jinja templates by supplying raw template strings. Attackers with print permission on any document can execute arbitrary SELECT statements against unrelated tables, including reading password hashes from the __Auth table.",
    "evidence": "cve:CVE-2026-82634",
    "products": [
      {
        "name": {
          "value": "frappe",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-82634",
      "aliases": [
        "CVE-2026-82634"
      ],
      "metrics": [
        {
          "format": "CVSS",
          "cvssV4_0": {
            "version": "4.0",
            "baseScore": 7.1,
            "attackVector": "NETWORK",
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
            "userInteraction": "NONE",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "privilegesRequired": "LOW",
            "subIntegrityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "subAvailabilityImpact": "NONE",
            "vulnAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH"
          }
        },
        {
          "format": "CVSS",
          "cvssV3_1": {
            "scope": "UNCHANGED",
            "version": "3.1",
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            "attackVector": "NETWORK",
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "integrityImpact": "NONE",
            "userInteraction": "NONE",
            "attackComplexity": "LOW",
            "availabilityImpact": "NONE",
            "privilegesRequired": "LOW",
            "confidentialityImpact": "HIGH"
          }
        }
      ],
      "affected": [
        {
          "vendor": "frappe",
          "product": "frappe",
          "versions": [
            {
              "status": "affected",
              "version": "0a80046da32bb8976cd7854f551c179a4a06b1b3",
              "lessThan": "37d2eb59790633da01c741b950cc00ca3558c494",
              "versionType": "git"
            }
          ],
          "packageURL": "pkg:github/frappe/frappe",
          "defaultStatus": "unaffected"
        }
      ],
      "modified": "2026-10-27T10:14:37.666Z",
      "provider": "cve",
      "references": [
        "https://github.com/frappe/frappe/pull/40710",
        "https://github.com/frappe/frappe/commit/37d2eb59790633da01c741b950cc00ca3558c494",
        "https://github.com/frappe/frappe/blob/0a80046da32bb8976cd7854f551c179a4a06b1b3/frappe/utils/print_format_generator.py",
        "https://github.com/frappe/frappe",
        "https://www.vulncheck.com/advisories/frappe-framework-development-branch-incorrect-authorization-via-jinja-template-preview-endpoint"
      ],
      "provider_metadata": {
        "adp": [
          {
            "title": "CISA ADP Vulnrichment",
            "metrics": [
              {
                "other": {
                  "type": "ssvc",
                  "content": {
                    "id": "CVE-2026-82634",
                    "role": "CISA Coordinator",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "version": "2.0.3",
                    "timestamp": "2026-08-31T16:53:15.895383Z"
                  }
                }
              }
            ],
            "providerMetadata": {
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP",
              "dateUpdated": "2026-08-31T16:53:42.114Z"
            }
          }
        ],
        "cna": {
          "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
          "shortName": "VulnCheck",
          "dateUpdated": "2026-10-27T10:14:37.666Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-82634",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 391803,
  "published_at": "2026-08-30T12:34:52.482+00:00"
}