Openbsd: >> Openssh >> 10.0 Security Vulnerabilities
In sshd in OpenSSH before 10.4, DisableForwarding=yes was supposed to take precedence over PermitTunnel=yes, but did not.
CVSS Score
5.9
EPSS Score
0.001
Published
2026-07-08
sshd in OpenSSH before 10.4 allows remote attackers to cause a denial of service (resource consumption from excessive authentication attempts) because MaxAuthTries was mishandled for GSSAPIAuthentication.
CVSS Score
3.7
EPSS Score
0.004
Published
2026-07-08
sshd in OpenSSH before 10.4 does not always honor the minimum authentication delay.
CVSS Score
6.5
EPSS Score
0.003
Published
2026-07-08
ssh in OpenSSH before 10.4 can have a use-after-free when a server changes its host key during a key re-exchange. (This outcome occurs only on the client side.)
CVSS Score
7.7
EPSS Score
0.003
Published
2026-07-08
sftp in OpenSSH before 10.4 does not properly constrain the location of downloaded files when "sftp server:/path ." is used with an attacker-controlled server.
CVSS Score
4.2
EPSS Score
0.002
Published
2026-07-08
scp in OpenSSH before 10.4 may place a file in the parent directory of an intended directory when the copy occurs between two remote destinations.
CVSS Score
4.2
EPSS Score
0.002
Published
2026-07-08
internal-sftp in sshd in OpenSSH before 10.4 recognizes only the first 9 command-line arguments, which can be important if a later command-line argument would have helped to ensure the intended security properties of an SFTP connection.
CVSS Score
4.2
EPSS Score
0.002
Published
2026-07-08
sshd in OpenSSH before 10.4 has an undocumented security-relevant behavior: GSSAPIStrictAcceptorCheck has no value if the server is in Windows Active Directory.
CVSS Score
4.8
EPSS Score
0.002
Published
2026-07-08
OpenSSH before 10.3 mishandles the authorized_keys principals option in uncommon scenarios involving a principals list in conjunction with a Certificate Authority that makes certain use of comma characters.
CVSS Score
4.2
EPSS Score
0.002
Published
2026-04-02
In OpenSSH before 10.3, command execution can occur via shell metacharacters in a username within a command line. This requires a scenario where the username on the command line is untrusted, and also requires a non-default configurations of % in ssh_config.
CVSS Score
3.6
EPSS Score
0.002
Published
2026-04-02
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