{"id":"CVE-2026-94053","aliases":["DEBIAN-CVE-2026-94053","EUVD-2026-89757","GHSA-qrc3-w53g-j8gv","SUSE-SU-2026:4622-1","UBUNTU-CVE-2026-94053","openSUSE-SU-2026:11940-1"],"status":"published","title":"Apache MINA SSHD: LDAP injection in sshd-ldap","description":"Authentication bypass via LDAP injection in component sshd-ldap in Apache MINA SSHD versions 1.2.0 to 2.19.0 and 3.0.0-M1 to 3.0.0-M5.\n\n\n\n\nApache MINA SSHD is a Java library for client-side and server-side SSH. \nThe optional sshd-ldap component provides support for integrating \npassword and publickey authentication on the server side with an LDAP \nserver.\n\n\n\n\nsshd-ldap is an optional component. SSH servers implemented with Apache \nMINA SSHD are affected only if they use sshd-ldap and do configure it to be used for password of public key authentication.\n\nOther Apache MINA SSHD servers are not affected.\n\n\n\n\nLack of escaping LDAP filter metacharacters enabled successful authentication with username \"*\" and password \"*\".\n\n\n\n\nUsers are recommended to upgrade affected applications to version 2.20.0 or 3.0.0-M6, which fix this issue by properly escaping filter parameters according to RFC 4515.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00363,"percentile":0.30339,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-305","CWE-90"],"published":"2026-09-30T09:43:47Z","modified":"2026-11-10T04:00:11Z","fixes":[{"ecosystem":"Debian:14","package":"libmina-sshd-java","fixed_in":["2.20.1-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:13","package":"libmina-sshd-java","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.13.2-2","2.13.2-3","2.19.0-1","2.20.1-1"]},{"source":"osv","ecosystem":"Debian:14","package":"libmina-sshd-java","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.1-1"}]}],"versions":["2.13.2-2","2.13.2-3","2.19.0-1"]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Development Tools 15 SP7","package":"apache-sshd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.0-150200.5.19.1"}]}],"bundled":8},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS","package":"apache-sshd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.0-150200.5.19.1"}]}],"bundled":8},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS","package":"apache-sshd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.0-150200.5.19.1"}]}],"bundled":8},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS","package":"apache-sshd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.0-150200.5.19.1"}]}],"bundled":8},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS","package":"apache-sshd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.0-150200.5.19.1"}]}],"bundled":8},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 15 SP4-LTSS","package":"apache-sshd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.0-150200.5.19.1"}]}],"bundled":8},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 15 SP5-LTSS","package":"apache-sshd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.0-150200.5.19.1"}]}],"bundled":8},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 15 SP6-LTSS","package":"apache-sshd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.0-150200.5.19.1"}]}],"bundled":8},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP4","package":"apache-sshd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.0-150200.5.19.1"}]}],"bundled":8},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP5","package":"apache-sshd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.0-150200.5.19.1"}]}],"bundled":8},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP6","package":"apache-sshd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.0-150200.5.19.1"}]}],"bundled":8},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"mina","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.7.dfsg-11"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"mina2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.7+dfsg-2","2.0.9-1","2.0.9-2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"mina","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.7.dfsg-11","1.1.7.dfsg-12"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"mina2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.16-2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"mina","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.7.dfsg-13"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"mina2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.19-2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"mina2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.4-2","2.1.5-1","2.1.5-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"mina","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.7.dfsg-13","1.1.7.dfsg-13ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"mina2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.1-3","2.2.1-3ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"mina2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.1-4","2.2.1-4ubuntu1","2.2.9-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:26.04:LTS","package":"mina2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.1-4","2.2.1-4ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"apache-sshd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.0-1.1"}]}],"bundled":8}],"products":[{"vendor":"apache software foundation","product":"apache mina sshd"}],"references":[{"url":"https://lists.apache.org/thread.html/cyrxkdzl3c70rrqs3klqphqz1hwm7p41","tags":["vendor-advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/09/29/39"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-94053"},{"url":"https://github.com/advisories/GHSA-qrc3-w53g-j8gv"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-94053","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20264622-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1283344","tags":["report"]},{"url":"https://bugzilla.suse.com/1283345","tags":["report"]},{"url":"https://bugzilla.suse.com/1283346","tags":["report"]},{"url":"https://bugzilla.suse.com/1283347","tags":["report"]},{"url":"https://bugzilla.suse.com/1283348","tags":["report"]},{"url":"https://bugzilla.suse.com/1283350","tags":["report"]},{"url":"https://bugzilla.suse.com/1283352","tags":["report"]},{"url":"https://bugzilla.suse.com/1283357","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2026-77185","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-93994","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-93995","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-93996","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-94002","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-94029","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-94052","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-94053","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2026-94053","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-94053","tags":["report"]},{"url":"https://www.openwall.com/lists/oss-security/2026/09/29/39","tags":["report"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-94053","title":"Apache MINA SSHD: LDAP injection in sshd-ldap","description":"Authentication bypass via LDAP injection in component sshd-ldap in Apache MINA SSHD versions 1.2.0 to 2.19.0 and 3.0.0-M1 to 3.0.0-M5.\n\n\n\n\nApache MINA SSHD is a Java library for client-side and server-side SSH. \nThe optional sshd-ldap component provides support for integrating \npassword and publickey authentication on the server side with an LDAP \nserver.\n\n\n\n\nsshd-ldap is an optional component. SSH servers implemented with Apache \nMINA SSHD are affected only if they use sshd-ldap and do configure it to be used for password of public key authentication.\n\nOther Apache MINA SSHD servers are not affected.\n\n\n\n\nLack of escaping LDAP filter metacharacters enabled successful authentication with username \"*\" and password \"*\".\n\n\n\n\nUsers are recommended to upgrade affected applications to version 2.20.0 or 3.0.0-M6, which fix this issue by properly escaping filter parameters according to RFC 4515.","status":"published","published":"2026-09-30T09:43:47.477Z","modified":"2026-09-30T14:30:10.327Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"cna"}],"cwes":["CWE-90","CWE-305"],"updated_at":"2026-11-02T14:19:53.786088Z"}],"euvd":[{"id":"EUVD-2026-89757","description":"Authentication bypass via LDAP injection in component sshd-ldap in Apache MINA SSHD versions 1.2.0 to 2.19.0 and 3.0.0-M1 to 3.0.0-M5.\n\n\n\n\nApache MINA SSHD is a Java library for client-side and server-side SSH. \nThe optional sshd-ldap component provides support for integrating \npassword and publickey authentication on the server side with an LDAP \nserver.\n\n\n\n\nsshd-ldap is an optional component. SSH servers implemented with Apache \nMINA SSHD are affected only if they use sshd-ldap and do configure it to be used for password of public key authentication.\n\nOther Apache MINA SSHD servers are not affected.\n\n\n\n\nLack of escaping LDAP filter metacharacters enabled successful authentication with username \"*\" and password \"*\".\n\n\n\n\nUsers are recommended to upgrade affected applications to version 2.20.0 or 3.0.0-M6, which fix this issue by properly escaping filter parameters according to RFC 4515.","status":"published","published":"2026-09-30T09:43:47Z","modified":"2026-09-30T14:30:10Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-02T17:27:49.499669Z"}],"ghsa":[{"id":"GHSA-qrc3-w53g-j8gv","title":"Authentication bypass via LDAP injection in component sshd-ldap in Apache MINA SSHD versions 1.2...","description":"Authentication bypass via LDAP injection in component sshd-ldap in Apache MINA SSHD versions 1.2.0 to 2.19.0 and 3.0.0-M1 to 3.0.0-M5.\n\n\n\n\nApache MINA SSHD is a Java library for client-side and server-side SSH. \nThe optional sshd-ldap component provides support for integrating \npassword and publickey authentication on the server side with an LDAP \nserver.\n\n\n\n\nsshd-ldap is an optional component. SSH servers implemented with Apache \nMINA SSHD are affected only if they use sshd-ldap and do configure it to be used for password of public key authentication.\n\nOther Apache MINA SSHD servers are not affected.\n\n\n\n\nLack of escaping LDAP filter metacharacters enabled successful authentication with username \"*\" and password \"*\".\n\n\n\n\nUsers are recommended to upgrade affected applications to version 2.20.0 or 3.0.0-M6, which fix this issue by properly escaping filter parameters according to RFC 4515.","status":"published","published":"2026-09-30T12:35:17Z","modified":"2026-09-30T12:35:21Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-90"],"updated_at":"2026-11-02T15:12:35.884172Z"}],"nvd":[{"id":"CVE-2026-94053","description":"Authentication bypass via LDAP injection in component sshd-ldap in Apache MINA SSHD versions 1.2.0 to 2.19.0 and 3.0.0-M1 to 3.0.0-M5.\n\n\n\n\nApache MINA SSHD is a Java library for client-side and server-side SSH. \nThe optional sshd-ldap component provides support for integrating \npassword and publickey authentication on the server side with an LDAP \nserver.\n\n\n\n\nsshd-ldap is an optional component. SSH servers implemented with Apache \nMINA SSHD are affected only if they use sshd-ldap and do configure it to be used for password of public key authentication.\n\nOther Apache MINA SSHD servers are not affected.\n\n\n\n\nLack of escaping LDAP filter metacharacters enabled successful authentication with username \"*\" and password \"*\".\n\n\n\n\nUsers are recommended to upgrade affected applications to version 2.20.0 or 3.0.0-M6, which fix this issue by properly escaping filter parameters according to RFC 4515.","status":"published","published":"2026-09-30T10:17:18.283Z","modified":"2026-09-30T16:13:13.493Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"secondary"}],"cwes":["CWE-90","CWE-305"],"updated_at":"2026-11-02T14:12:52.759595Z"}],"osv":[{"id":"DEBIAN-CVE-2026-94053","description":"Authentication bypass via LDAP injection in component sshd-ldap in Apache MINA SSHD versions 1.2.0 to 2.19.0 and 3.0.0-M1 to 3.0.0-M5.     Apache MINA SSHD is a Java library for client-side and server-side SSH.  The optional sshd-ldap component provides support for integrating  password and publickey authentication on the server side with an LDAP  server.     sshd-ldap is an optional component. SSH servers implemented with Apache  MINA SSHD are affected only if they use sshd-ldap and do configure it to be used for password of public key authentication.  Other Apache MINA SSHD servers are not affected.     Lack of escaping LDAP filter metacharacters enabled successful authentication with username \"*\" and password \"*\".     Users are recommended to upgrade affected applications to version 2.20.0 or 3.0.0-M6, which fix this issue by properly escaping filter parameters according to RFC 4515.","status":"published","published":"2026-09-30T10:17:18.283Z","modified":"2026-11-10T04:00:11.037055572Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-10T04:22:10.004764Z"},{"id":"UBUNTU-CVE-2026-94053","description":"Authentication bypass via LDAP injection in component sshd-ldap in Apache MINA SSHD versions 1.2.0 to 2.19.0 and 3.0.0-M1 to 3.0.0-M5. Apache MINA SSHD is a Java library for client-side and server-side SSH. The optional sshd-ldap component provides support for integrating password and publickey authentication on the server side with an LDAP server. sshd-ldap is an optional component. SSH servers implemented with Apache MINA SSHD are affected only if they use sshd-ldap and do configure it to be used for password of public key authentication. Other Apache MINA SSHD servers are not affected. Lack of escaping LDAP filter metacharacters enabled successful authentication with username \"*\" and password \"*\". Users are recommended to upgrade affected applications to version 2.20.0 or 3.0.0-M6, which fix this issue by properly escaping filter parameters according to RFC 4515.","status":"published","published":"2026-09-30T10:17:00Z","modified":"2026-11-09T12:51:29.151704159Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-09T13:26:47.126984Z"},{"id":"openSUSE-SU-2026:11940-1","title":"apache-sshd-2.20.0-1.1 on GA media","description":"These are all security issues fixed in the apache-sshd-2.20.0-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-10-01T00:00:00Z","modified":"2026-10-02T18:23:14.062264763Z","updated_at":"2026-11-02T16:58:40.245664Z"},{"id":"SUSE-SU-2026:4622-1","title":"Security update for apache-sshd","description":"This update for apache-sshd fixes the following issues:\n\n- CVE-2026-77185: Asynchronous authentication can bypass signature verification (bsc#1283357).\n- CVE-2026-93994: Repeated-publickey policy bypass on server (bsc#1283352).\n- CVE-2026-93995: Remote execution of JGit 'archive -o=file.zip' can write file on the server (bsc#1283350).\n- CVE-2026-93996: Memory exhaustion DoS via unbounded SCP command line read (bsc#1283348).\n- CVE-2026-94002: Memory exhaustion in SFTP client via unsolicited SFTP replies (bsc#1283347).\n- CVE-2026-94029: Memory exhaustion in SFTP v6 check-file-name/check-file-handle extension (bsc#1283346).\n- CVE-2026-94052: LDAP password authentication ineffective (bsc#1283345).\n- CVE-2026-94053: LDAP injection in sshd-ldap (bsc#1283344).\n\nChanges for apache-sshd:\n\n- Update to upstream version 2.20.0:\n + GH-656 ChannelPipedInputStream: shrink buffer when emptied\n + GH-906 Fix finding a signature factory for BC ed25519 keys\n + GH-911 Fix server-side SOCKS5 proxy for fragmented and\n pipelined CONNECT requests\n + Allow asynchronous authentication only for password and\n keyboard-interactive authentication schemes\n + Fix authentication requiring multiple public keys\n (server-side)\n + Better argument handling in sshd-git\n + More checks in authentication (server-side)\n + Better SCP command handling\n + SFTP client: simplify response message handling\n + Fix check-file-name/check-file-handle SFTP v6 extension\n + Improve LDAP authentication (sshd-ldap)\n * New Features\n + GH-905 Implement the 'from' and 'expiry-time' options in\n authorized_keys handling in public key authentication (server\n side)\n","status":"published","published":"2026-10-12T07:25:50Z","modified":"2026-10-13T10:30:04.877503172Z","updated_at":"2026-11-02T15:54:05.838224Z"}]}}