CVE-2026-55852Patch

LOWCVSS 8.6 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD 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.

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0.5/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-22

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Threat summary

Patch or workaround signal is available
1 mentions across 1 observed day

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 1 signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Patch

1100.0%

Referenced assets1 URL

By indicator

https://cystack.net/disclosures

Full discourse1 post

CyStack@CyStackSecurity92d
Patch
CVE-2026-55852: TarSlip in Frappe Framework, the core platform behind ERPNext with 10.4k GitHub stars. Import a malicious package. The tar archive contains ../ paths that escape the target directory. Arbitrary file write on the server. Full RCE. Patched in v16.23.0 and v15.112.0. Found by a CyStack researcher. Details at https://cystack.net/disclosures #CyStack #CyberSecurity #Vulnerability #Frappe #ERPNext #RCE #EnterpriseSecurity #InfoSec
Post summary
This announcement describes a TarSlip vulnerability (CVE-2026-55852) in the Frappe Framework that allows arbitrary file writes and full remote code execution, with patched versions v16.23.0 and v15.112.0, and references a CyStack disclosure page for more details.
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