CVE-2026-41589 — CRITICAL (9.6)

Vulnerability Description

Wish is an SSH server with defaults and a collection of middlewares. From version 2.0.0 to before version 2.0.1, the SCP middleware in charm.land/wish/v2 is vulnerable to path traversal attacks. A malicious SCP client can read arbitrary files from the server, write arbitrary files to the server, and create directories outside the configured root directory by sending crafted filenames containing ../ sequences over the SCP protocol. This issue has been patched in version 2.0.1.

CVSS Score

9.6

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Charm	Wish	2.0.0

Related Weaknesses (CWE)

CWE-22

References

https://github.com/charmbracelet/wish/releases/tag/v2.0.1Release Notes
https://github.com/charmbracelet/wish/security/advisories/GHSA-xjvp-7243-rg9hExploitMitigationVendor Advisory
https://github.com/charmbracelet/wish/security/advisories/GHSA-xjvp-7243-rg9hExploitMitigationVendor Advisory

FAQ

What is CVE-2026-41589?

CVE-2026-41589 is a vulnerability with a CVSS score of 9.6 (CRITICAL). Wish is an SSH server with defaults and a collection of middlewares. From version 2.0.0 to before version 2.0.1, the SCP middleware in charm.land/wish/v2 is vulnerable to path traversal attacks. A mal...

How severe is CVE-2026-41589?

CVE-2026-41589 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-41589?

Check the references section above for vendor advisories and patch information. Affected products include: Charm Wish.