Improperly Controlled Sequential Memory Allocation Affecting org.apache.sshd:sshd-sftp package, versions [0.9.0,2.20.0)[3.0.0-M1,3.0.0-M6)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JAVA-ORGAPACHESSHD-21715424
- published26 Oct 2026
- disclosed30 Sept 2026
- creditHo1aAs
Introduced: 30 Sep 2026
NewCVE-2026-94002 (opens in a new tab)How to fix?
Upgrade org.apache.sshd:sshd-sftp to version 2.20.0, 3.0.0-M6 or higher.
Overview
Affected versions of this package are vulnerable to Improperly Controlled Sequential Memory Allocation via reply handling in DefaultSftpClient in the sshd-sftp component. A malicious SFTP server can exhaust the client’s memory by sending unsolicited reply packets, which DefaultSftpClient stores without checking for a matching request to consume them.