{"id":"CVE-2026-63650","aliases":["DEBIAN-CVE-2026-63650","EUVD-2026-58813","GHSA-f94x-h63g-g9m8","SUSE-SU-2026:24220-1","SUSE-SU-2026:4213-1","SUSE-SU-2026:4217-1","UBUNTU-CVE-2026-63650","openSUSE-SU-2026:22072-1"],"status":"published","title":"OpenVPN 2.7_alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be...","description":"OpenVPN 2.7_alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified by ignoring the configured X.509 username identity lookup field","severity":{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00228,"percentile":0.13741,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-115","CWE-295"],"published":"2026-08-14T22:13:26Z","modified":"2026-10-21T17:23:14Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.6.11-1","2.6.12-1","2.6.13-1","2.6.14-0+deb12u1","2.6.14-0+deb12u2","2.6.14-1","2.6.14-2","2.6.15-1","2.6.3-1","2.6.3-1+deb12u1","2.6.3-1+deb12u1~bpo11+1","2.6.3-1+deb12u2","2.6.3-1+deb12u2~bpo11+1","2.6.3-1+deb12u3","2.6.3-1+deb12u4","2.6.3-2","2.6.3-2.1","2.6.7-1","2.6.9-1","2.7.0-1","2.7.0-1~bpo13+1","2.7.0~alpha1-1","2.7.0~alpha2-1","2.7.0~alpha3-1","2.7.0~beta1-1","2.7.0~beta2-1","2.7.0~beta3-1","2.7.0~rc1-1","2.7.0~rc2-1","2.7.0~rc2-2","2.7.0~rc3-1","2.7.0~rc4-1","2.7.0~rc5-1","2.7.0~rc6-1","2.7.1-1","2.7.1-1~bpo13+1","2.7.2-1","2.7.2-1~bpo13+1","2.7.3-1","2.7.5-1","2.7.5-1~bpo13+1","2.7.7-1","2.7.7-1~bpo13+1"]},{"source":"osv","ecosystem":"Debian:13","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.6.14-1","2.6.14-1+deb13u1","2.6.14-1+deb13u2","2.6.14-1+deb13u3","2.6.14-2","2.6.15-1","2.7.0-1","2.7.0-1~bpo13+1","2.7.0~alpha1-1","2.7.0~alpha2-1","2.7.0~alpha3-1","2.7.0~beta1-1","2.7.0~beta2-1","2.7.0~beta3-1","2.7.0~rc1-1","2.7.0~rc2-1","2.7.0~rc2-2","2.7.0~rc3-1","2.7.0~rc4-1","2.7.0~rc5-1","2.7.0~rc6-1","2.7.1-1","2.7.1-1~bpo13+1","2.7.2-1","2.7.2-1~bpo13+1","2.7.3-1","2.7.5-1","2.7.5-1~bpo13+1","2.7.7-1","2.7.7-1~bpo13+1"]},{"source":"osv","ecosystem":"Debian:14","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.6.14-1","2.6.14-2","2.6.15-1","2.7.0-1","2.7.0-1~bpo13+1","2.7.0~alpha1-1","2.7.0~alpha2-1","2.7.0~alpha3-1","2.7.0~beta1-1","2.7.0~beta2-1","2.7.0~beta3-1","2.7.0~rc1-1","2.7.0~rc2-1","2.7.0~rc2-2","2.7.0~rc3-1","2.7.0~rc4-1","2.7.0~rc5-1","2.7.0~rc6-1","2.7.1-1","2.7.1-1~bpo13+1","2.7.2-1","2.7.2-1~bpo13+1","2.7.3-1","2.7.5-1","2.7.5-1~bpo13+1","2.7.7-1","2.7.7-1~bpo13+1"]},{"source":"osv","ecosystem":"SUSE:Linux 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SP4-ESPOS","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.6-150400.3.28.1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.6-150400.3.28.1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.6-150400.3.28.1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.6-150400.3.28.1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 15 SP4-LTSS","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.6-150400.3.28.1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 15 SP5-LTSS","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.6-150400.3.28.1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP4","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.6-150400.3.28.1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP5","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.6-150400.3.28.1"}]}],"bundled":2},{"source":"osv","ecosystem":"openSUSE:Leap 16.0","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.10-160000.5.1"}]}],"bundled":9}],"products":[{"vendor":"openvpn","product":"openvpn"}],"references":[{"url":"https://community.openvpn.net/Security%20Announcements/CVE-2026-63650","tags":["vendor-advisory","report"]},{"url":"https://community.openvpn.net/ReleaseHistory#openvpn-276-released-5-august-2026","tags":["release-notes","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63650"},{"url":"https://github.com/advisories/GHSA-f94x-h63g-g9m8"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-63650","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202624220-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1267944","tags":["report"]},{"url":"https://bugzilla.suse.com/1267945","tags":["report"]},{"url":"https://bugzilla.suse.com/1273126","tags":["report"]},{"url":"https://bugzilla.suse.com/1273127","tags":["report"]},{"url":"https://bugzilla.suse.com/1273128","tags":["report"]},{"url":"https://bugzilla.suse.com/1273129","tags":["report"]},{"url":"https://bugzilla.suse.com/1273130","tags":["report"]},{"url":"https://bugzilla.suse.com/1275310","tags":["report"]},{"url":"https://bugzilla.suse.com/1279613","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2026-11771","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-12932","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-12996","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-13117","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-13379","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-35058","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-40215","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-63650","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-84732","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20264213-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20264217-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-63650","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-63650","tags":["report"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-63650","description":"OpenVPN 2.7_alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified by ignoring the configured X.509 username identity lookup field","status":"published","published":"2026-08-14T22:13:26.656Z","modified":"2026-08-17T15:38:23.494Z","cvss":[{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N","level":"low","assessor":"cna"}],"cwes":["CWE-295","CWE-115"],"updated_at":"2026-11-02T14:19:56.284359Z"}],"euvd":[{"id":"EUVD-2026-58813","description":"OpenVPN 2.7_alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified by ignoring the configured X.509 username identity lookup field","status":"published","published":"2026-08-14T22:13:26Z","modified":"2026-08-17T15:38:23Z","cvss":[{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N","level":"low"}],"updated_at":"2026-11-02T18:01:49.335011Z"}],"ghsa":[{"id":"GHSA-f94x-h63g-g9m8","title":"OpenVPN 2.7_alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be...","description":"OpenVPN 2.7_alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified by ignoring the configured X.509 username identity lookup field","status":"published","published":"2026-08-15T00:31:24Z","modified":"2026-08-15T00:31:33Z","cvss":[{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low"}],"cwes":["CWE-115"],"updated_at":"2026-11-02T15:10:29.845726Z"}],"nvd":[{"id":"CVE-2026-63650","description":"OpenVPN 2.7_alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified by ignoring the configured X.509 username identity lookup field","status":"published","published":"2026-08-14T23:16:32.653Z","modified":"2026-09-01T21:03:04.987Z","cvss":[{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low","assessor":"secondary"}],"cwes":["CWE-115","CWE-295"],"updated_at":"2026-11-02T14:12:37.926464Z"}],"osv":[{"id":"DEBIAN-CVE-2026-63650","description":"OpenVPN 2.7_alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified by ignoring the configured X.509 username identity lookup field","status":"published","published":"2026-08-14T23:16:32.653Z","modified":"2026-10-01T03:03:29.407171215Z","cvss":[{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low"}],"updated_at":"2026-11-02T15:45:57.932517Z"},{"id":"UBUNTU-CVE-2026-63650","description":"OpenVPN 2.7_alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified by ignoring the configured X.509 username identity lookup field","status":"withdrawn","published":"2026-08-17T00:00:00Z","modified":"2026-08-17T23:45:16.288195896Z","cvss":[{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N","level":"low"}],"updated_at":"2026-11-02T16:56:43.630667Z"},{"id":"openSUSE-SU-2026:22072-1","title":"Security update for openvpn","description":"This update for openvpn fixes the following issues:\n\n- CVE-2026-11771: NTLM proxy auth stack off-by-one write (bsc#1273126).\n- CVE-2026-12932: memory leak using --tls-crypt-v2 (bsc#1273127).\n- CVE-2026-12996: Potential DoS and memory leak via TLS session use-after-free (bsc#1273128).\n- CVE-2026-13117: Heap use-after-free via incomplete guard in check_session_buf_not_used() (bsc#1273129).\n- CVE-2026-13379: Windows interactive service DNS SearchList state pollution (bsc#1273130).\n- CVE-2026-35058: improper validation of packet length can lead to a denial of service (bsc#1267945).\n- CVE-2026-40215: race condition during TLS session promotion can lead to a use-after-free (bsc#1267944).\n- CVE-2026-63650: OpenVPN 2.7_alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified\n  by ignoring the configured X.509 username identity lookup field (bsc#1275310).\n- CVE-2026-84732: Remote Denial of Service via crafted ACK packets (bsc#1279613).\n","status":"published","published":"2026-10-09T12:16:22Z","modified":"2026-10-19T17:23:12.593997822Z","updated_at":"2026-11-02T16:58:42.426393Z"},{"id":"SUSE-SU-2026:24220-1","title":"Security update for openvpn","description":"This update for openvpn fixes the following issues:\n\n- CVE-2026-11771: NTLM proxy auth stack off-by-one write (bsc#1273126).\n- CVE-2026-12932: memory leak using --tls-crypt-v2 (bsc#1273127).\n- CVE-2026-12996: Potential DoS and memory leak via TLS session use-after-free (bsc#1273128).\n- CVE-2026-13117: Heap use-after-free via incomplete guard in check_session_buf_not_used() (bsc#1273129).\n- CVE-2026-13379: Windows interactive service DNS SearchList state pollution (bsc#1273130).\n- CVE-2026-35058: improper validation of packet length can lead to a denial of service (bsc#1267945).\n- CVE-2026-40215: race condition during TLS session promotion can lead to a use-after-free (bsc#1267944).\n- CVE-2026-63650: OpenVPN 2.7_alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified\n  by ignoring the configured X.509 username identity lookup field (bsc#1275310).\n- CVE-2026-84732: Remote Denial of Service via crafted ACK packets (bsc#1279613).\n","status":"published","published":"2026-10-09T12:13:13Z","modified":"2026-10-21T17:23:14.847518378Z","updated_at":"2026-11-02T15:54:04.519245Z"},{"id":"SUSE-SU-2026:4213-1","title":"Security update for openvpn","description":"This update for openvpn fixes the following issues:\n\n- CVE-2026-63650: OpenVPN 2.7_alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified\n  by ignoring the configured X.509 username identity lookup field (bsc#1275310).\n- CVE-2026-84732: Remote Denial of Service via crafted ACK packets (bsc#1279613).\n","status":"published","published":"2026-09-16T11:53:26Z","modified":"2026-09-16T21:45:07.235912391Z","updated_at":"2026-11-02T15:54:05.392906Z"},{"id":"SUSE-SU-2026:4217-1","title":"Security update for openvpn","description":"This update for openvpn fixes the following issues:\n\n- CVE-2026-63650: OpenVPN 2.7_alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified\n  by ignoring the configured X.509 username identity lookup field (bsc#1275310).\n- CVE-2026-84732: Remote Denial of Service via crafted ACK packets (bsc#1279613).\n","status":"published","published":"2026-09-16T13:45:27Z","modified":"2026-09-17T09:45:03.943911709Z","updated_at":"2026-11-02T15:54:05.392906Z"}]}}