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CVE-2026-39351 frappe CVE debrief

CVE-2026-39351 is a medium-severity vulnerability in Frappe, a full-stack web application framework. The vulnerability allows unrestricted Doctype access via API exploit. This could allow attackers to gain unauthorized access and potentially lead to further exploitation. Administrators and users of Frappe framework versions prior to 16.14.0 and 15.104.0 should apply patches to prevent potential API exploits. The Common Vulnerability Scoring System (CVSS) score for this vulnerability is 6.9, indicating a medium severity level. The CVE record was published on 2026-04-07T19:16:46.213Z and was last modified on 2026-07-24T21:10:00.143Z.

Vendor
frappe
Product
Unknown
CVSS
MEDIUM 6.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-07
Original CVE updated
2026-07-24
Advisory published
2026-04-07
Advisory updated
2026-07-24

Who should care

Administrators and users of Frappe framework versions prior to 16.14.0 and 15.104.0 should apply patches to prevent potential API exploits. This includes operators, platform administrators, vulnerability management teams, and security teams who manage or use Frappe-based applications. Additionally, security teams should review compensating controls for exposed systems while remediation is scheduled and verified.

Technical summary

The vulnerability, CVE-2026-39351, is caused by unrestricted Doctype access via API in Frappe framework versions prior to 16.14.0 and 15.104.0. This could allow attackers to exploit the API and gain unauthorized access. The Common Vulnerability Scoring System (CVSS) score for this vulnerability is 6.9, indicating a medium severity level. The vulnerability can be mitigated by applying patches to affected versions of the Frappe framework.

Defensive priority

Apply patches to Frappe framework versions prior to 16.14.0 and 15.104.0 to prevent potential API exploits. Restrict Doctype access via API and monitor API usage for suspicious activity.

Recommended defensive actions

  • Apply patches to Frappe framework versions prior to 16.14.0 and 15.104.0
  • Restrict Doctype access via API
  • Monitor API usage for suspicious activity
  • Implement additional security measures to prevent exploitation
  • Review compensating controls for exposed systems while remediation is scheduled and verified

Evidence notes

The CVE record was published on 2026-04-07T19:16:46.213Z and was last modified on 2026-07-24T21:10:00.143Z. The NVD entry is currently Analyzed. Evidence is limited to public sources and may not reflect the full scope or impact of this vulnerability. Defenders should verify the affected scope and apply patches or mitigations as recommended by the vendor. Additional information may be available from official sources.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-39351 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-39351

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-39351 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-39351

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.