Low severity3.5GHSA Advisory· Published May 26, 2026· Updated Jul 24, 2026

CVE-2026-42448

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 " where that output directory currently exists (as a directory). This vulnerability is fixed in 0.24.0.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
magic-wormholePyPI	>= 0.23.0, < 0.24.0	0.24.0

Affected products

Magic Wormhole/Magic WormholeGHSA
Range: = 0.23.0
ghsa-coords2 versions
pkg:pypi/magic-wormhole pkg:rpm/opensuse/python-magic-wormhole&distro=openSUSE%20Tumbleweed
>= 0.23.0, < 0.24.0+ 1 more
- (no CPE)range: >= 0.23.0, < 0.24.0
- (no CPE)range: < 0.24.0-1.1

Patches

Vulnerability mechanics

References

github.com/advisories/GHSA-cf92-gfcw-6v53ghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2026-42448ghsaADVISORY
github.com/magic-wormhole/magic-wormhole/security/advisories/GHSA-cf92-gfcw-6v53nvdWEB

News mentions

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cvss	0.227
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000