CVE-2026-94002 Apache MINA SSHD - Denial of Service

Apache MINA SSHD 0.9.0 to 2.19.0 and 3.0.0-M1 to 3.0.0-M5 contains a denial of service caused by storing unsolicited SFTP replies without consumption in sshd-sftp DefaultSftpClient, letting malicious servers exhaust client memory, exploit requires malicious server interaction.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.43% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
30 September 2026
Updated
15 October 2026
Weakness
CWE-770

Vendor fix

Upgrade to version 2.20.0 or 3.0.0-M6.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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