{"id":"CVE-2026-26081","aliases":["AZL-93000","BIT-haproxy-2026-26081","DEBIAN-CVE-2026-26081","DSA-6130-1","EUVD-2026-45989","GHSA-c8q6-qrfh-727c","OESA-2026-3229","OESA-2026-3230","RHSA-2026:40938","SUSE-SU-2026:20557-1","SUSE-SU-2026:20616-1","SUSE-SU-2026:20620-1","UBUNTU-CVE-2026-26081","USN-8036-1","openSUSE-SU-2026:10187-1","openSUSE-SU-2026:20290-1"],"status":"published","title":"HAProxy Community Edition 3.0 through 3.3 before 3.3.3 lacks a length check for the NEW_TOKEN...","description":"HAProxy Community Edition 3.0 through 3.3 before 3.3.3 lacks a length check for the NEW_TOKEN format. HAProxy Enterprise and ALOHA are also affected.","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00476,"percentile":0.41603,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-130"],"published":"2026-02-12T00:00:00Z","modified":"2026-11-05T05:40:51Z","fixes":[{"ecosystem":"Azure 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Hat:hummingbird:1","package":"haproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.0.25-0.1.1.hum1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Micro 6.2","package":"haproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.12+git0.6011f448e-160000.1.1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Availability Extension 16.0","package":"haproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.12+git0.6011f448e-160000.1.1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP applications 16.0","package":"haproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.12+git0.6011f448e-160000.1.1"}]}],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"haproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.12-0ubuntu0.25.10.3"}]}],"versions":["3.0.8-1ubuntu1","3.0.8-1ubuntu1.1","3.0.10-1ubuntu1","3.0.10-1ubuntu2","3.0.10-1ubuntu3","3.0.12-0ubuntu0.25.10.1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"haproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.12-0ubuntu0.25.10.3"}]}],"versions":["3.0.8-1ubuntu1","3.0.8-1ubuntu1.1","3.0.10-1ubuntu1","3.0.10-1ubuntu2","3.0.10-1ubuntu3","3.0.12-0ubuntu0.25.10.1"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"haproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.3+git0.465d8e2fc-1.1"}]}]},{"source":"osv","ecosystem":"openSUSE:Leap 16.0","package":"haproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.12+git0.6011f448e-160000.1.1"}]}],"bundled":2}],"products":[{"vendor":"haproxy","product":"aloha"},{"vendor":"haproxy","product":"haproxy"},{"vendor":"haproxy","product":"haproxy_enterprise"}],"references":[{"url":"https://www.haproxy.org","tags":["Product","web","article"]},{"url":"https://git.haproxy.org/?p=haproxy-3.2.git;a=commit;h=4765277f4f915baac2d57db63538ff0a59966deb","tags":["Patch","Vendor Advisory","advisory","web","article"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26081","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-c8q6-qrfh-727c"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26081.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-26081","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3229","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3230","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:40938","tags":["advisory"]},{"url":"https://images.redhat.com/","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-26080","tags":["report"]},{"url":"https://access.redhat.com/security/updates/classification/","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-26081","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_40938.json","tags":["advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502959","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-26080","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26080","tags":["advisory"]},{"url":"https://git.haproxy.org/?p=haproxy-3.2.git;a=commit;h=5bb098ce8a656ec5711b4de3e4c87f12b216e7a1","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502945","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-26081","tags":["advisory","report"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202620557-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1257521","tags":["report"]},{"url":"https://bugzilla.suse.com/1257976","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2026-26080","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-26081","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202620616-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202620620-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-26081","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-8036-1","tags":["advisory"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-26081","description":"HAProxy Community Edition 3.0 through 3.3 before 3.3.3 lacks a length check for the NEW_TOKEN format. HAProxy Enterprise and ALOHA are also affected.","status":"published","published":"2026-07-20T00:00:00Z","modified":"2026-07-20T18:18:45.876Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-130"],"updated_at":"2026-11-02T13:38:20.971157Z"}],"euvd":[{"id":"EUVD-2026-45989","description":"HAProxy Community Edition 3.0 through 3.3 before 3.3.3 lacks a length check for the NEW_TOKEN format. HAProxy Enterprise and ALOHA are also affected.","status":"published","published":"2026-07-20T00:00:00Z","modified":"2026-07-20T18:18:45Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T18:19:48.530346Z"}],"ghsa":[{"id":"GHSA-c8q6-qrfh-727c","title":"HAProxy Community Edition 3.0 through 3.3 before 3.3.3 lacks a length check for the NEW_TOKEN...","description":"HAProxy Community Edition 3.0 through 3.3 before 3.3.3 lacks a length check for the NEW_TOKEN format. HAProxy Enterprise and ALOHA are also affected.","status":"published","published":"2026-07-20T18:32:31Z","modified":"2026-07-20T18:32:40Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"cwes":["CWE-130"],"updated_at":"2026-11-02T15:09:36.920272Z"}],"nvd":[{"id":"CVE-2026-26081","description":"HAProxy Community Edition 3.0 through 3.3 before 3.3.3 lacks a length check for the NEW_TOKEN format. HAProxy Enterprise and ALOHA are also affected.","status":"published","published":"2026-07-20T16:16:57.203Z","modified":"2026-08-25T15:43:31.907Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-130"],"updated_at":"2026-11-02T14:12:31.024898Z"}],"osv":[{"id":"CVE-2026-26081","description":"HAProxy Community Edition 3.0 through 3.3 before 3.3.3 lacks a length check for the NEW_TOKEN format. HAProxy Enterprise and ALOHA are also affected.","status":"published","published":"2026-07-20T00:00:00Z","modified":"2026-11-02T10:45:54.966296009Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"cwes":["CWE-130"],"updated_at":"2026-11-02T15:44:59.80315Z"},{"id":"DEBIAN-CVE-2026-26081","description":"HAProxy Community Edition 3.0 through 3.3 before 3.3.3 lacks a length check for the NEW_TOKEN format. HAProxy Enterprise and ALOHA are also affected.","status":"published","published":"2026-07-20T16:16:57.203Z","modified":"2026-10-01T03:03:21.28585571Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:45:53.877573Z"},{"id":"OESA-2026-3229","title":"haproxy security update","description":"HAProxy is a free, very fast and reliable solution offering high availability, load balancing, and proxying for TCP and HTTP-based applications. It is particularly suited for very high traffic web sites and powers quite a number of the world\u0026amp;apos;s most visited ones.\r\n\r\nSecurity Fix(es):\n\nHAProxy Community Edition 3.0 through 3.3 before 3.3.3 lacks a length check for the NEW_TOKEN format. HAProxy Enterprise and ALOHA are also affected.(CVE-2026-26081)","status":"published","published":"2026-08-01T11:12:06Z","modified":"2026-08-18T01:21:27.702141019Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:52:46.823443Z"},{"id":"OESA-2026-3230","title":"haproxy security update","description":"HAProxy is a free, very fast and reliable solution offering high availability, load balancing, and proxying for TCP and HTTP-based applications. It is particularly suited for very high traffic web sites and powers quite a number of the world\u0026amp;apos;s most visited ones.\r\n\r\nSecurity Fix(es):\n\nHAProxy Community Edition 3.0 through 3.3 before 3.3.3 lacks a length check for the NEW_TOKEN format. HAProxy Enterprise and ALOHA are also affected.(CVE-2026-26081)","status":"published","published":"2026-08-01T11:12:06Z","modified":"2026-08-18T01:21:25.963517784Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:52:46.823443Z"},{"id":"RHSA-2026:40938","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","status":"published","published":"2026-08-22T10:24:07Z","modified":"2026-09-06T10:14:23Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:53:20.491441Z"},{"id":"UBUNTU-CVE-2026-26081","description":"HAProxy Community Edition 3.0 through 3.3 before 3.3.3 lacks a length check for the NEW_TOKEN format. 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HAProxy Enterprise and ALOHA are also affected.","status":"published","published":"2026-08-26T08:42:45.692Z","modified":"2026-09-08T08:47:52.311303926Z","updated_at":"2026-11-02T15:28:31.02759Z"},{"id":"DSA-6130-1","title":"haproxy - security update","status":"published","published":"2026-02-12T00:00:00Z","modified":"2026-02-12T15:30:12.179734Z","updated_at":"2026-11-02T15:46:18.296714Z"},{"id":"openSUSE-SU-2026:10187-1","title":"haproxy-3.3.3+git0.465d8e2fc-1.1 on GA media","description":"These are all security issues fixed in the haproxy-3.3.3+git0.465d8e2fc-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-02-12T00:00:00Z","modified":"2026-03-23T04:54:32.871933Z","updated_at":"2026-11-02T16:58:38.101535Z"},{"id":"openSUSE-SU-2026:20290-1","title":"Security update for haproxy","description":"This update for haproxy fixes the following issues:\n\n- Update to version 3.2.12+git0.6011f448e\n- CVE-2026-26081: Fixed a DOS vulnerability in QUIC. (bsc#1257976)\n- CVE-2026-26080: Fixed a DOS vulnerability in QUIC. (bsc#1257976)\n","status":"published","published":"2026-02-27T13:15:21Z","modified":"2026-03-23T04:54:49.758233Z","updated_at":"2026-11-02T16:58:41.463445Z"},{"id":"SUSE-SU-2026:20557-1","title":"Security update for haproxy","description":"This update for haproxy fixes the following issues:\n\n- Update to version 3.2.12+git0.6011f448e\n- CVE-2026-26081: Fixed a DOS vulnerability in QUIC. (bsc#1257976)\n- CVE-2026-26080: Fixed a DOS vulnerability in QUIC. (bsc#1257976)\n","status":"published","published":"2026-02-27T13:15:05Z","modified":"2026-03-23T04:53:03.303679Z","updated_at":"2026-11-02T15:54:01.953589Z"},{"id":"SUSE-SU-2026:20616-1","title":"Security update for haproxy","description":"This update for haproxy fixes the following issues:\n\n- Update to version 3.2.12+git0.6011f448e\n- CVE-2026-26081: Fixed a DOS vulnerability in QUIC. (bsc#1257976)\n- CVE-2026-26080: Fixed a DOS vulnerability in QUIC. (bsc#1257976)\n","status":"published","published":"2026-02-27T13:16:38Z","modified":"2026-03-23T04:53:04.787982Z","updated_at":"2026-11-02T15:54:01.953589Z"},{"id":"SUSE-SU-2026:20620-1","title":"Security update for haproxy","description":"This update for haproxy fixes the following issues:\n\n- Update to version 3.2.12+git0.6011f448e\n- CVE-2026-26081: Fixed a DOS vulnerability in QUIC. (bsc#1257976)\n- CVE-2026-26080: Fixed a DOS vulnerability in QUIC. (bsc#1257976)\n","status":"published","published":"2026-02-27T13:15:05Z","modified":"2026-03-23T04:53:05.105667Z","updated_at":"2026-11-02T15:54:01.953589Z"},{"id":"USN-8036-1","title":"haproxy vulnerability","description":"Asim Viladi Oglu Manizada discovered that HAProxy incorrectly handled\ncertain INITIAL packets. A remote attacker could possibly use this issue\nto cause HAProxy to crash, resulting in a denial of service.","status":"published","published":"2026-02-12T14:55:12Z","modified":"2026-07-24T15:33:29.493644716Z","updated_at":"2026-11-02T16:58:22.951676Z"}]}}