{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-94395","assignerOrgId":"9d5917ae-205d-4ae5-8749-1f49479b1395","state":"PUBLISHED","assignerShortName":"THA-PSIRT","dateReserved":"2026-09-21T13:29:20.497Z","datePublished":"2026-11-05T18:12:54.173Z","dateUpdated":"2026-11-05T19:08:41.066Z"},"containers":{"cna":{"providerMetadata":{"orgId":"9d5917ae-205d-4ae5-8749-1f49479b1395","shortName":"THA-PSIRT","dateUpdated":"2026-11-05T18:12:54.173Z"},"title":"Stack-based buffer overflow in SafeNet Authentication Client SIS token engine","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-1284","description":"CWE-1284 Improper validation of specified quantity in input","type":"CWE"}]},{"descriptions":[{"lang":"en","cweId":"CWE-787","description":"CWE-787 Out-of-bounds write","type":"CWE"}]},{"descriptions":[{"lang":"en","cweId":"CWE-121","description":"CWE-121 Stack-based buffer overflow","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-100","descriptions":[{"lang":"en","value":"CAPEC-100 Overflow Buffers"}]}],"affected":[{"vendor":"Thalesgroup","product":"Safenet Authentication Client SIS token engine","platforms":["Windows"],"versions":[{"status":"affected","version":"10.8 R7","lessThanOrEqual":"10.9 R3 (build 10.9.7449)","versionType":"custom"}],"defaultStatus":"unaffected"}],"cpeApplicability":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:thalesgroup:safenet_authentication_client_sis_token_engine:*:*:windows:*:*:*:*:*","versionStartIncluding":"10.8_r7","versionEndIncluding":"10.9_r3_build_10.9.7449_"}]}]}],"descriptions":[{"lang":"en","value":"A stack-based buffer overflow in Thales SafeNet Authentication Client (SAC) SIS token engine processing can be triggered by a malicious physical or software-emulated smart card. The issue can occur before authentication or PIN entry and may\ncause a denial of service or potentially arbitrary code execution with the privileges of the affected process. Affected releases start with SAC 10.8 R7 and include SAC 10.9 R3 GA (build 10.9.7449).","supportingMedia":[{"type":"text/html","base64":false,"value":"A stack-based buffer overflow in Thales SafeNet Authentication Client (SAC) SIS token engine processing can be triggered&nbsp;by a malicious physical or software-emulated smart card. The issue can occur before authentication or PIN entry and may<br>cause a denial of service or potentially arbitrary code execution with the privileges of the affected process.&nbsp;<div>Affected releases&nbsp;start with SAC 10.8 R7 and include SAC 10.9 R3 GA (build 10.9.7449).</div>"}]}],"references":[{"url":"https://supportportal.thalesgroup.com/csm?id=kb_article_view&sys_kb_id=7786064a2b905350cdc1f87df291bf92&sysparm_article=KB0031250","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"PHYSICAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":7,"vectorString":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}],"solutions":[{"lang":"en","value":"Upgrade to SafeNet Authentication Client 10.9 R3 Post GA (build 10.9.7954) or later.","supportingMedia":[{"type":"text/html","base64":false,"value":"Upgrade to SafeNet Authentication Client 10.9 R3 Post GA (build 10.9.7954) or later."}]}],"credits":[{"lang":"en","value":"Jonas Lejon, Triop AB","type":"finder"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.8,"attackVector":"PHYSICAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-11-05T19:08:37.663004Z","id":"CVE-2026-94395","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-11-05T19:08:41.066Z"}}]}}