Improper Certificate Revocation Checking

mwiede jsch is vulnerable to improper certificate revocation checking. The vulnerability is due to improper validation of revoked keys in the getRevokedKeys function of KnownHosts.java, which allows a remote attacker to bypass certificate revocation checks by manipulating the knownhosts argument...

Linux Distros Unpatched Vulnerability : CVE-2026-86231

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A security flaw has been discovered in mwiede jsch up to 2.28.5. Affected is the function getRevokedKeys of the file...

SUSE CVE-2026-86231

A security flaw has been discovered in mwiede jsch up to 2.28.5. Affected is the function getRevokedKeys of the file src/main/java/com/jcraft/jsch/KnownHosts.java. Performing a manipulation of the argument knownhosts results in improper check for certificate revocation. The attack is possible to ...

EUVD-2026-72179

A security flaw has been discovered in mwiede jsch up to 2.28.5. Affected is the function getRevokedKeys of the file src/main/java/com/jcraft/jsch/KnownHosts.java. Performing a manipulation of the argument knownhosts results in improper check for certificate revocation. The attack is possible to ...

CVE-2026-86231

A security flaw has been discovered in mwiede jsch up to 2.28.5. Affected is the function getRevokedKeys of the file src/main/java/com/jcraft/jsch/KnownHosts.java. Performing a manipulation of the argument knownhosts results in improper check for certificate revocation. The attack is possible to ...

DEBIAN-CVE-2026-86231

A security flaw has been discovered in mwiede jsch up to 2.28.5. Affected is the function getRevokedKeys of the file src/main/java/com/jcraft/jsch/KnownHosts.java. Performing a manipulation of the argument knownhosts results in improper check for certificate revocation. The attack is possible to ...

CVE-2026-86231 mwiede jsch KnownHosts.java getRevokedKeys improper check for certificate revocation

A security flaw has been discovered in mwiede jsch up to 2.28.5. Affected is the function getRevokedKeys of the file src/main/java/com/jcraft/jsch/KnownHosts.java. Performing a manipulation of the argument knownhosts results in improper check for certificate revocation. The attack is possible to ...

CVE-2026-86231

A security flaw has been discovered in mwiede jsch up to 2.28.5. Affected is the function getRevokedKeys of the file src/main/java/com/jcraft/jsch/KnownHosts.java. Performing a manipulation of the argument knownhosts results in improper check for certificate revocation. The attack is possible to ...

CVE-2026-86231

mwiede jsch (a Java SSH library) versions up to 2.28.5 contain an improper certificate revocation check in the getRevokedKeys function of src/main/java/com/jcraft/jsch/KnownHosts.java. Manipulating the known_hosts argument allows a remote attacker to bypass revocation verification, resulting in l...

CVE-2026-86231 mwiede jsch KnownHosts.java getRevokedKeys improper check for certificate revocation

A security flaw has been discovered in mwiede jsch up to 2.28.5. Affected is the function getRevokedKeys of the file src/main/java/com/jcraft/jsch/KnownHosts.java. Performing a manipulation of the argument knownhosts results in improper check for certificate revocation. The attack is possible to ...

CVE-2026-86231 mwiede jsch KnownHosts.java getRevokedKeys improper check for certificate revocation

A security flaw has been discovered in mwiede jsch up to 2.28.5. Affected is the function getRevokedKeys of the file src/main/java/com/jcraft/jsch/KnownHosts.java. Performing a manipulation of the argument knownhosts results in improper check for certificate revocation. The attack is possible to ...

CVE-2026-86231: Improper Check for Certificate Revocation

A security flaw has been discovered in mwiede jsch up to 2.28.5. Affected is the function getRevokedKeys of the file src/main/java/com/jcraft/jsch/KnownHosts.java. Performing a manipulation of the argument knownhosts results in improper check for certificate revocation. The attack is possible to ...

PT-2026-86576

Name of the Vulnerable Software and Affected Versions mwiede jsch versions prior to 2.28.6 Description A security flaw exists in the getRevokedKeys function within the src/main/java/com/jcraft/jsch/KnownHosts.java file. A remote attacker can manipulate the known hosts argument to cause an imprope...