{"id":"CVE-2026-35095","state":"PUBLISHED","title":"Session fixation in KTM System e-BOK","description":"KTM System e-BOK allows the session identifier to be set by the client prior to authentication. If a cookie with a valid name is set, its value remains unchanged after successful login. This behaviour enables an attacker to fix a session ID for a victim and later hijack the authenticated session.\n\nThis issue was fixed in the patch published in June 2026.","publishedAt":"2026-06-30T13:37:55.256Z","updatedAt":"2026-06-30T14:42:45.383Z","severity":{"score":4.8,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","source":"CERT-PL"},"assigner":"CERT-PL","products":["KTM System e-BOK"],"affected":[{"vendor":"KTM System","product":"e-BOK","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"06.2026","versionType":"custom"}],"modules":["e-BOK"]}],"references":["https://cert.pl/posts/2026/06/CVE-2026-35095/","https://ktmsystem.pl/internetowe-biuro-obslugi-klienta/"],"weaknesses":["CWE-384"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/35xxx/CVE-2026-35095.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-35095","state":"PUBLISHED","datePublished":"2026-06-30T13:37:55.256Z","dateUpdated":"2026-06-30T14:42:45.383Z","assignerShortName":"CERT-PL","assignerOrgId":"4bb8329e-dd38-46c1-aafb-9bf32bcb93c6","dateReserved":"2026-04-01T13:05:10.153Z"},"containers":{"cna":{"title":"Session fixation in KTM System e-BOK","descriptions":[{"lang":"en","value":"KTM System e-BOK allows the session identifier to be set by the client prior to authentication. If a cookie with a valid name is set, its value remains unchanged after successful login. This behaviour enables an attacker to fix a session ID for a victim and later hijack the authenticated session.\n\nThis issue was fixed in the patch published in June 2026."}],"affected":[{"vendor":"KTM System","product":"e-BOK","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"06.2026","versionType":"custom"}],"modules":["e-BOK"]}],"references":[{"url":"https://cert.pl/posts/2026/06/CVE-2026-35095/","tags":["third-party-advisory"]},{"url":"https://ktmsystem.pl/internetowe-biuro-obslugi-klienta/","tags":["product"]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":4.8,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-384","description":"CWE-384: Session Fixation","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"CERT-PL","orgId":"4bb8329e-dd38-46c1-aafb-9bf32bcb93c6","dateUpdated":"2026-06-30T13:37:55.256Z"},"credits":[{"lang":"en","type":"finder","value":"Jacek Korta"}],"impacts":[{"capecId":"CAPEC-61","descriptions":[{"lang":"en","value":"CAPEC-61 Session Fixation"}]}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-30T14:42:36.409765Z","id":"CVE-2026-35095","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-30T14:42:45.383Z"}}]}}}