CVE-2026-86231
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
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 known_hosts results in improper check for certificate revocation. The attack is possible to be carried out remotely. The attack is considered to have high complexity. The exploitability is told to be difficult. The exploit has been released to the public and may be used for attacks. Upgrading to version 2.28.6 is able to address this issue. The patch is named 194a2f76a5c0f1c3f778565be3fd66bcafc42d23. You should upgrade the affected component.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
jsch
- Vendor
- mwiede
- Product
- jsch
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 2.28.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 2.28.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 2.28.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 2.28.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 2.28.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 2.28.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 2.28.6 | unaffected | Unavailable | Unavailable | Unavailable | None listed |