Magic Wormhole makes it possible to get arbitrary-sized files and directories from one computer to another. From 0.21.0 to before 0.23.0, receiving a file (wormhole receive) from a malicious party could result in overwriting critical local files, including ~/.ssh/authorized_keys and .bashrc. This could be used to compromise the receiver's computer. Only the sender of the file (the party who runs wormhole send) can mount the attack. Other parties (including the transit/relay servers) are excluded by the wormhole protocol. This vulnerability is fixed in 0.23.0.
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References
History
Thu, 12 Mar 2026 18:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Magic Wormhole makes it possible to get arbitrary-sized files and directories from one computer to another. From 0.21.0 to before 0.23.0, receiving a file (wormhole receive) from a malicious party could result in overwriting critical local files, including ~/.ssh/authorized_keys and .bashrc. This could be used to compromise the receiver's computer. Only the sender of the file (the party who runs wormhole send) can mount the attack. Other parties (including the transit/relay servers) are excluded by the wormhole protocol. This vulnerability is fixed in 0.23.0. | |
| Title | Magic Wormhole: "wormhole receive" allows arbitrary local file overwrite | |
| Weaknesses | CWE-22 | |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-03-12T17:40:49.791Z
Reserved: 2026-03-10T22:02:38.855Z
Link: CVE-2026-32116
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Status : Awaiting Analysis
Published: 2026-03-12T18:16:24.930
Modified: 2026-03-12T21:07:53.427
Link: CVE-2026-32116
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OpenCVE Enrichment
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Weaknesses