CVE-2026-42448

LOW

wormhole receive, with --output pointing at an existing directory can be path-traversed

Title source: cna
STIX 2.1

Description

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 exists (as a directory). This vulnerability is fixed in 0.24.0.

References (1)

Core 1

Scores

CVSS v3 3.5
EPSS 0.0020
EPSS Percentile 9.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-22
Status published
Products (2)
magic-wormhole/magic-wormhole < 0.24.0
pypi/magic-wormhole 0.23.0 - 0.24.0PyPI
Published May 26, 2026
Tracked Since May 26, 2026