What is CVE-2026-42448?

CVE-2026-42448 is a low-severity vulnerability in Magic-wormhole, classified under Path Traversal. CVSS score: 3.5/10. Published 2026-05-26.

How severe is CVE-2026-42448?

Low severity. CVSS v3 base score is 3.5 out of 10.

Path Traversal in Magic-wormhole

CVE-2026-42448

Magic Wormhole makes it possible to get arbitrary-sized files and directories from one computer to another. Prior to 0.24.0, there is a path traversal when a receiver who specifies "--output <dir>" where that output directory currently exi…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.000 (11.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.

Affected products

Magic-wormhole — versions < 0.24.0

Weakness classification (CWE)

CWE-22 — Path Traversal

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-42448?: CVE-2026-42448 is a low-severity vulnerability in Magic-wormhole, classified under Path Traversal. CVSS score: 3.5/10. Published 2026-05-26.
How severe is CVE-2026-42448?: Low severity. CVSS v3 base score is 3.5 out of 10.