CVE-2026-87865
NoneCVSS
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EPSS
0.3%
Published
Oct 20, 2026
CISA due date
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The record
When libcurl uses libssh2 with a hashed `known_hosts` file, an unrelated initial entry can cause host key validation to report a key *mismatch* as a *missing* key to the `CURLOPT_SSH_KEYFUNCTION` callback.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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