{"id":"CVE-2026-4751","state":"PUBLISHED","title":"NULL Pointer Dereference in tmate-io tmate","description":"NULL Pointer Dereference vulnerability in tmate-io tmate.This issue affects tmate: before 2.4.0.","publishedAt":"2026-03-24T05:37:44.416Z","updatedAt":"2026-03-24T14:29:05.841Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","source":"GovTech CSG"},"assigner":"GovTech CSG","products":["tmate-io tmate"],"affected":[{"vendor":"tmate-io","product":"tmate","defaultStatus":"affected","versions":[{"version":"0","status":"affected","lessThan":"2.4.0","versionType":"git"}],"collectionURL":"https://github.com/tmate-io/tmate"}],"references":["https://github.com/tmate-io/tmate/pull/328"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/4xxx/CVE-2026-4751.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-4751","state":"PUBLISHED","datePublished":"2026-03-24T05:37:44.416Z","dateUpdated":"2026-03-24T14:29:05.841Z","assignerShortName":"GovTech CSG","assignerOrgId":"1a37b84a-8e51-4525-b3d6-87e2fae01dbd","dateReserved":"2026-03-24T05:37:21.386Z"},"containers":{"cna":{"title":"NULL Pointer Dereference in tmate-io tmate","descriptions":[{"lang":"en","value":"NULL Pointer Dereference vulnerability in tmate-io tmate.This issue affects tmate: before 2.4.0."}],"affected":[{"vendor":"tmate-io","product":"tmate","defaultStatus":"affected","versions":[{"version":"0","status":"affected","lessThan":"2.4.0","versionType":"git"}],"collectionURL":"https://github.com/tmate-io/tmate"}],"references":[{"url":"https://github.com/tmate-io/tmate/pull/328","tags":["patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW","baseSeverity":"MEDIUM","baseScore":5.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","lang":"en","description":"CWE-476 NULL Pointer Dereference","type":"CWE"}]}],"providerMetadata":{"shortName":"GovTech CSG","orgId":"1a37b84a-8e51-4525-b3d6-87e2fae01dbd","dateUpdated":"2026-03-24T05:37:44.416Z"},"credits":[{"lang":"en","value":"TITAN Team (titancaproject@gmail.com)","type":"reporter"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-24T14:28:52.686331Z","id":"CVE-2026-4751","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-24T14:29:05.841Z"}}]}}}