{"id":"CVE-2026-94002","title":"Possible memory exhaustion in SFTP clients (DefaultSftpClient) in component sshd-sftp in Apache MINA SSHD versions 0.9.0 to 2.19.0 and 3.0.0-M1 to 3.0.0-M5.\n\n\n\n\nApache \nMINA SSHD is a Java library for client-side and server-side SSH","summary":"Possible memory exhaustion in SFTP clients (DefaultSftpClient) in component sshd-sftp in Apache MINA SSHD versions 0.9.0 to 2.19.0 and 3.0.0-M1 to 3.0.0-M5.\n\n\n\n\nApache \nMINA SSHD is a Java library for client-side and server-side SSH. The…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-770"],"vendor":"Apache Software Foundation","product":"org.apache.sshd:sshd-sftp","affected":["org.apache.sshd:sshd-sftp >= 0.9.0 < 2.20.0","org.apache.sshd:sshd-sftp >= 3.0.0-M1 < 3.0.0-M6"],"published":"2026-09-30","updated":"2026-09-30","sourceUpdated":"2026-09-30T16:13:13.493","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-94002","references":[{"url":"https://lists.apache.org/thread.html/x2cb00kh4qvsq145tj2w4g3toy8cybld","label":"security@apache.org"},{"url":"http://www.openwall.com/lists/oss-security/2026/09/29/36","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-94002.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-94002"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2543859"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-94002"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-94002"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00359,"epssPercentile":0.29495,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-30T14:31:35.789900Z"},"ingestedAt":"2026-09-30T10:01:20.475Z","slug":"CVE-2026-94002","body":"## Overview\n\nPossible memory exhaustion in SFTP clients (DefaultSftpClient) in component sshd-sftp in Apache MINA SSHD versions 0.9.0 to 2.19.0 and 3.0.0-M1 to 3.0.0-M5.\n\n\n\n\nApache \nMINA SSHD is a Java library for client-side and server-side SSH. The sshd-sftp component provides support for SFTP.\n\n\n\n\nThe SFTP client implementation, when receiving a reply, did not check that this reply corresponded to a request sent earlier. Unsolicited replies would be stored but never consumed. A malicious server could keep sending unsolicited replies until available memory in the client was exhausted.\n\n\n\n\nUsers are recommended to upgrade to version 2.20.0 or 3.0.0-M6, which fix this issue.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Important · affected: Red Hat build of Apache Camel 4 for Quarkus 3, Red Hat build of Apache Camel for Spring Boot 4, Red Hat build of Apicurio Registry 3 · no fix planned: Red Hat build of Apache Camel 4 for Quarkus 3, Red Hat build of Apache Camel for Spring Boot 4, Red Hat build of Apicurio Registry 3 · updated 2026-10-02 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-94002.json)","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}