{"id":"CVE-2026-8451","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-8451","generatedAt":"2026-10-28T13:11:54.812Z","title":"Insufficient input validation in NetScaler ADC and NetScaler Gateway leading to memory overread if NetScaler ADC or NetScaler Gateway is configured as a SAML IDP","description":"Insufficient input validation in NetScaler ADC and NetScaler Gateway leading to memory overread if NetScaler ADC or NetScaler Gateway is configured as a SAML IDP","published":"2026-06-30T13:19:33.000Z","lastModified":"2026-07-01T15:52:59.000Z","status":"Analyzed","sourceIdentifier":"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5","cvss":{"version":"4.0","score":8.8,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-125"],"affected":["citrix/netscaler application delivery controller","citrix/netscaler gateway"],"epss":{"score":0.00502,"percentile":0.42779,"date":"2026-10-27","history":[{"date":"2026-09-24","score":0.00502,"percentile":0.40329}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.50%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696604","tags":["Vendor Advisory"],"source":"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-8451","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}