Is CVE-2026-59844 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-59844?

CVE-2026-59844 has a CVSS v3 severity of MEDIUM (6.5).

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CVE-2026-59844

Description

A flaw was found in libssh. A remote authenticated client can issue SSH_FXP_READ requests with an arbitrarily large length, causing a libssh SFTP server to allocate excessive memory and potentially exhaust it through repeated requests.