{"id":"CVE-2026-26080","details":"HAProxy Community Edition 3.2.x through 3.3.x before 3.3.3 can enter a loop or crash because varint is mishandled. HAProxy Enterprise and ALOHA are also affected.","aliases":["BIT-haproxy-2026-26080"],"modified":"2026-08-27T11:47:33.492198334Z","published":"2026-07-20T00:00:00Z","related":["SUSE-SU-2026:20557-1","SUSE-SU-2026:20616-1","SUSE-SU-2026:20620-1","openSUSE-SU-2026:20290-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26080.json","unresolved_ranges":[{"extracted_events":[{"introduced":"3.2"},{"fixed":"3.2.12"},{"introduced":"3.3"},{"fixed":"3.3.3"}],"source":"AFFECTED_FIELD"},{"extracted_events":[{"introduced":"3.2"},{"fixed":"3.2.12"},{"introduced":"3.3"},{"fixed":"3.3.3"}],"source":"CPE_FIELD"},{"extracted_events":[{"introduced":"3.2.x"},{"fixed":"3.3.x"},{"fixed":"3.3.3"}],"source":"DESCRIPTION"}],"cna_assigner":"mitre","cwe_ids":["CWE-252"]},"references":[{"type":"WEB","url":"https://git.haproxy.org/?p=haproxy-3.2.git;a=commit;h=5bb098ce8a656ec5711b4de3e4c87f12b216e7a1"},{"type":"WEB","url":"https://www.haproxy.org"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26080.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26080"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/haproxy/haproxy","events":[{"introduced":"e134140d282c006417945d78e7964cc8fa14586a"},{"fixed":"beb23069c6233a974d305a28e4d276586929167d"},{"introduced":"7832fb21fe2dd11ce44e996d8e86802731b871b2"},{"fixed":"d4d72e23034da39452e8d981b75956eedd6a37c8"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"3.2"},{"fixed":"3.2.12"},{"introduced":"3.3"},{"fixed":"3.3.3"}]}}],"versions":["v3.3-dev2","v3.3-dev1","v3.3-dev0","v3.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-26080.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"}]}