{"id":"CVE-2026-71302","state":"PUBLISHED","title":"Toptech TMS7 and TopHAT Session Fixation","description":"The application accepts user-supplied session identifiers and does not regenerate the session ID after authentication. This allows an attacker to predefine a session ID and reuse it after victim authentication, resulting in session takeover.","publishedAt":"2026-09-29T21:41:11.253Z","updatedAt":"2026-09-30T15:28:14.550Z","severity":{"score":7.5,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","source":"icscert"},"assigner":"icscert","products":["Toptech Systems TMS7","Toptech Systems TopHAT"],"affected":[{"vendor":"Toptech Systems","product":"TMS7","defaultStatus":"unaffected","versions":[{"version":"7.6.3","status":"affected"},{"version":"7.8","status":"unaffected"}]},{"vendor":"Toptech Systems","product":"TopHAT","defaultStatus":"unaffected","versions":[{"version":"7.6.3","status":"affected"},{"version":"7.8","status":"unaffected"}]}],"references":["https://www.toptech.com/blog/tms7-version-7-8-strengthens-security","https://www.cisa.gov/news-events/ics-advisories/icsa-26-272-02","https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-272-02.json"],"weaknesses":["CWE-384"],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/71xxx/CVE-2026-71302.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-71302","state":"PUBLISHED","datePublished":"2026-09-29T21:41:11.253Z","dateUpdated":"2026-09-30T15:28:14.550Z","assignerShortName":"icscert","assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateReserved":"2026-08-10T17:31:09.961Z"},"containers":{"cna":{"title":"Toptech TMS7 and TopHAT Session Fixation","descriptions":[{"lang":"en","value":"The application accepts user-supplied session identifiers and does not regenerate the session ID after authentication. This allows an attacker to predefine a session ID and reuse it after victim authentication, resulting in session takeover."}],"affected":[{"vendor":"Toptech Systems","product":"TMS7","defaultStatus":"unaffected","versions":[{"version":"7.6.3","status":"affected"},{"version":"7.8","status":"unaffected"}]},{"vendor":"Toptech Systems","product":"TopHAT","defaultStatus":"unaffected","versions":[{"version":"7.6.3","status":"affected"},{"version":"7.8","status":"unaffected"}]}],"references":[{"url":"https://www.toptech.com/blog/tms7-version-7-8-strengthens-security"},{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-272-02"},{"url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-272-02.json"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"LOW","baseSeverity":"HIGH","baseScore":7.1,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"ACTIVE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","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":7.5,"vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-384","lang":"en","description":"CWE-384","type":"CWE"}]}],"providerMetadata":{"shortName":"icscert","orgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateUpdated":"2026-09-29T21:41:11.253Z"},"solutions":[{"lang":"en","value":"Toptech Systems sent a security advisory to their customers on July 20, 2026. The issue has been addressed in release 7.8. Users can get the latest release and more information on this issue at the Toptech Systems security blog.\n https://www.toptech.com/blog/tms7-version-7-8-strengthens-security","supportingMedia":[{"type":"text/html","base64":false,"value":"Toptech Systems sent a security advisory to their customers on July 20, 2026. The issue has been addressed in release 7.8. Users can get the latest release and more information on this issue at the Toptech Systems security blog.<br><a href=\"https://www.toptech.com/blog/tms7-version-7-8-strengthens-security\">https://www.toptech.com/blog/tms7-version-7-8-strengthens-security</a>"}]}],"credits":[{"lang":"en","value":"Sachin Shetty and Roy Duisters of Shell CyberDefence reported this vulnerability to Toptech and CISA.","type":"finder"}],"source":{"advisory":"ICSA-26-272-02","discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-71302","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-09-30T15:00:36.553531Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-30T15:28:14.550Z"}}]}}}