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

Severity: high (CVSS 8.6 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-10 · updated 2026-07-13
Weakness: CWE-22

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.

Affected products

frappe: before 15.112.0; from 16.0.0-beta.1, < 16.23.0

References

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/pull/38716
https://github.com/frappe/frappe/pull/40044
https://github.com/frappe/frappe/pull/40045
https://github.com/frappe/frappe/releases/tag/v15.112.0
https://github.com/frappe/frappe/releases/tag/v16.23.0
https://github.com/frappe/frappe/security/advisories/GHSA-58w2-4cjg-hvp6

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