CVE-2026-42448
LOW3.5EPSS 0.04%Magic Wormhole: receive, with --output pointing at an existing directory can be path-traversed
Published: 5/6/2026Modified: 5/6/2026
Description
### Impact A receiver who specifies "--output <dir>" where that output directory currently exists (as a directory). ### Patches 0.24.0 will contain the patch ### Workarounds Ensure local target directories specified by "--output" do not already exist ### Resources Private email and Signal communications from a user. Magic Wormhole thanks @marduc812
Affected packages (1)
- PyPI/magic-wormhole>= 0.23.0, < 0.24.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW3.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N |