{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-4751", "assignerOrgId": "1a37b84a-8e51-4525-b3d6-87e2fae01dbd", "state": "PUBLISHED", "assignerShortName": "GovTech CSG", "dateReserved": "2026-03-24T05:37:21.386Z", "datePublished": "2026-03-24T05:37:44.416Z", "dateUpdated": "2026-03-24T05:37:44.416Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1a37b84a-8e51-4525-b3d6-87e2fae01dbd", "shortName": "GovTech CSG", "dateUpdated": "2026-03-24T05:37:44.416Z"}, "title": "NULL Pointer Dereference in tmate-io tmate", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference", "type": "CWE"}]}], "affected": [{"vendor": "tmate-io", "product": "tmate", "collectionURL": "https://github.com/tmate-io/tmate", "versions": [{"status": "affected", "version": "0", "lessThan": "2.4.0", "versionType": "git"}], "defaultStatus": "affected"}], "descriptions": [{"lang": "en", "value": "NULL Pointer Dereference vulnerability in tmate-io tmate.This issue affects tmate: before 2.4.0.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "NULL Pointer Dereference vulnerability in tmate-io tmate.<p>This issue affects tmate: before 2.4.0.</p>"}]}], "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"}}], "credits": [{"lang": "en", "value": "TITAN Team (titancaproject@gmail.com)", "type": "reporter"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 0.5.0"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "NULL Pointer Dereference vulnerability in tmate-io tmate.This issue affects tmate: before 2.4.0."}], "id": "CVE-2026-4751", "lastModified": "2026-03-24T06:16:23.407", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "cve_disclosure@tech.gov.sg", "type": "Secondary"}]}, "published": "2026-03-24T06:16:23.407", "references": [{"source": "cve_disclosure@tech.gov.sg", "url": "https://github.com/tmate-io/tmate/pull/328"}], "sourceIdentifier": "cve_disclosure@tech.gov.sg", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "cve_disclosure@tech.gov.sg", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,2.4.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "tmate", "source": "cna", "vendor": "tmate-io"}, "product": "tmate", "vendor": "tmate-io"}], "created": "2026-03-24T10:28:58.340446+00:00", "updated": "2026-03-24T10:28:58.340519+00:00", "vendors": ["tmate-io", "tmate-io$PRODUCT$tmate"]}