{"id":"CVE-2026-75878","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-75878","generatedAt":"2026-09-20T11:41:18.528Z","title":"IBM Sterling File Gateway could allow a remote attacker to bypass authentication and obtain a fully authenticated session due to improper authentication via an unvalidated SSO header.","description":"IBM Sterling File Gateway could allow a remote attacker to bypass authentication and obtain a fully authenticated session due to improper authentication via an unvalidated SSO header.","published":"2026-09-18T20:17:21.000Z","lastModified":"2026-09-19T15:17:01.000Z","status":"Received","sourceIdentifier":"psirt@us.ibm.com","cvss":{"version":"3.1","score":9.1,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"},"cwe":["CWE-287"],"affected":[],"epss":{"score":0.00476,"percentile":0.40291,"date":"2026-09-19","history":[]},"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 (0.48%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.ibm.com/support/pages/node/7287497","source":"psirt@us.ibm.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-75878","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."}