Frappe: TarSlip RCE in Package Import

published 2026-07-10 3 mo ago modified 2026-07-13 3 mo ago also EUVD-2026-43107

cvss: 8.6; version 4.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits: 0; none known

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.

Patch / fix

links 8

github.com/frappe/frappe@3c75f13 commit
github.com/frappe/frappe@4772e3e commit
github.com/frappe/frappe@57e527d commit
github.com/frappe/frappe#38716 pull request
github.com/frappe/frappe#40044 pull request
github.com/frappe/frappe#40045 pull request
github.com/frappe/frappe/releases/tag/v15.112.0 release
github.com/frappe/frappe/releases/tag/v16.23.0 release

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 3 mo ago (2026-07-13)

Exploit prediction

0.68% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	8.6	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
CNA	4.0	8.6	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/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

Affected products

frappe frappe

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

CVE List CVE-2026-55852
NVD CVE-2026-55852

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary