{"id":"CVE-2026-4751","summary":"NULL Pointer Dereference in tmate-io tmate","details":"NULL Pointer Dereference vulnerability in tmate-io tmate.This issue affects tmate: before 2.4.0.","modified":"2026-07-08T08:14:30.808398713Z","published":"2026-03-24T05:37:44.416Z","database_specific":{"cna_assigner":"GovTech CSG","cwe_ids":["CWE-476"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4751.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4751.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4751"},{"type":"FIX","url":"https://github.com/tmate-io/tmate/pull/328"},{"type":"PACKAGE","url":"https://github.com/tmate-io/tmate"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/tmate-io/tmate","events":[{"introduced":"0"},{"fixed":"5e00bfa5e137e76c81888727712ced2b3fd99f5b"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"2.4.0"}],"source":["AFFECTED_FIELD","DESCRIPTION"]}}],"versions":["2.3.1","2.3.0","2.2.1","2.2.0","1.8.10","1.8.9a","1.8.9","1.8.8","1.8.7","1.8.6","1.8.5","1.8.4","1.8.3","base","1.8","to_copy"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-4751.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}]}