Frappe: Arbitrary Attachment Injection via add_attachments and upload_file

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Summary

CVECVE-2026-48127
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-10 22:16:42 UTC
Updated2026-07-10 22:16:42 UTC
DescriptionFrappe 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.

Risk And Classification

Primary CVSS: v4.0 5.3 MEDIUM from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-862 | CWE-862 CWE-862: Missing Authorization

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary5.3MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/C...
4.0CNADECLARED5.3MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Frappe Frappe affected < 15.110.0 Not specified
CNA Frappe Frappe affected >= 16.0.0-beta.1, < 16.20.0 Not specified

References

ReferenceSourceLinkTags
github.com/frappe/frappe/releases/tag/v16.20.0 [email protected] github.com
github.com/frappe/frappe/security/advisories/GHSA-fwrv-4rw4-97fw [email protected] github.com
github.com/frappe/frappe/pull/39553 [email protected] github.com
github.com/frappe/frappe/commit/b1c86042e6f85986f35365c80bb1d102ff1cd0e4 [email protected] github.com
github.com/frappe/frappe/pull/39550 [email protected] github.com
github.com/frappe/frappe/commit/fee1af6d89910f6b174fd094184060aeb641d07d [email protected] github.com
github.com/frappe/frappe/commit/4bf27db101c34bd542a760290fc0775efa5cd0e4 [email protected] github.com
github.com/frappe/frappe/releases/tag/v15.110.0 [email protected] github.com
github.com/frappe/frappe/pull/39407 [email protected] github.com
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