What is CVE-2026-41589?

CVE-2026-41589 is a critical-severity vulnerability in Charm Wish, classified under Path Traversal. CVSS score: 9.6/10. Published 2026-05-07.

How severe is CVE-2026-41589?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Path Traversal in Charm Wish

CVE-2026-41589

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 fi…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.001 (17.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N.

Affected products

Charm Wish — versions 2.0.0
Charmbracelet Wish — versions >= 2.0.0, < 2.0.1

Weakness classification (CWE)

CWE-22 — Path Traversal

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)
security-advisories@github.com (x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-41589?: CVE-2026-41589 is a critical-severity vulnerability in Charm Wish, classified under Path Traversal. CVSS score: 9.6/10. Published 2026-05-07.
How severe is CVE-2026-41589?: Critical severity. CVSS v3 base score is 9.6 out of 10.