CVE-2026-32116 is a high-severity vulnerability in Magic Wormhole versions 0.21.0 through 0.22.x, allowing a malicious sender to overwrite critical local files such as ~/.ssh/authorized_keys on a receiver's system. This network-based flaw, rated 8.1 HIGH (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H), could lead to system compromise with high integrity and availability impact. Exploitation requires only that the victim initiates a file receive from the attacker. There is no evidence of active exploitation, public exploit code, or significant community discussion, and the issue is resolved in version 0.23.0.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 0.21.0, < 0.23.0CPE matchmatch criteria | cpe:2.3:a:magic-wormhole_project:magic_wormhole:*:*:*:*:*:python:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.