Frappe: Arbitrary Attachment Injection via add_attachments and upload_file
Priority LOW 33CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
Frappe is a full-stack web application framework. Prior to 16.20.0 and 15.110.0, users without write access could attach files to any doctype through file-handling API endpoints such as add_attachments. This issue is fixed in versions 16.20.0 and 15.110.0.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00614 49th percentileScored 2026-11-07
Fix Fixed frappe (frappe): 15.110.0, 16.20.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA frappe (frappe) Fixed in 15.110.0, 16.20.0
Timeline
- 2026-10-02 Threatist record created from CVE-2026-48127
References
Other 9
- https://github.com/frappe/frappe/security/advisories/GHSA-fwrv-4rw4-97fw
- https://github.com/frappe/frappe/pull/39407
- https://github.com/frappe/frappe/pull/39550
- https://github.com/frappe/frappe/pull/39553
- https://github.com/frappe/frappe/commit/4bf27db101c34bd542a760290fc0775efa5cd0e4
- https://github.com/frappe/frappe/commit/b1c86042e6f85986f35365c80bb1d102ff1cd0e4
- https://github.com/frappe/frappe/commit/fee1af6d89910f6b174fd094184060aeb641d07d
- https://github.com/frappe/frappe/releases/tag/v15.110.0
- https://github.com/frappe/frappe/releases/tag/v16.20.0
More frappe vulnerabilities
- TI-2026-28140 ERPNext v15.103.1 and before is vulnerable to Server-Side Template Injection (SSTI). CVSS 3.1CRITICAL 9.8
- TI-2025-40873 An issue was discovered in Frappe ERPNext through 15.89.0. CVSS 3.1CRITICAL 9.8
- TI-2025-40872 An issue was discovered in Frappe ERPNext through 15.89.0. CVSS 3.1CRITICAL 9.8
- TI-2025-40871 A Server-Side Template Injection (SSTI) vulnerability exists in the Frappe ERPNext… CVSS 3.1CRITICAL 9.8
- TI-2025-32462 In Frappe ERPNext 15.57.5, the function get_rfq_containing_supplier() at… CVSS 3.1HIGH 8.2
- TI-2025-32461 In Frappe ERPNext 15.57.5, the function get_stock_balance_for() at… CVSS 3.1HIGH 8.2
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences