{"api_version":"1","generated_at":"2026-09-28T13:10:34+00:00","cve":"CVE-2026-75878","urls":{"html":"https://cve.report/CVE-2026-75878","api":"https://cve.report/api/cve/CVE-2026-75878.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-75878","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-75878"},"summary":{"title":"IBM Sterling File Gateway is Vulnerable to Authentication Bypass","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.","state":"PUBLISHED","assigner":"ibm","published_at":"2026-09-18 20:17:21","updated_at":"2026-09-22 19:32:25"},"problem_types":["CWE-287","CWE-287 CWE-287 Improper Authentication"],"metrics":[{"version":"3.1","source":"psirt@us.ibm.com","type":"Secondary","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","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","baseScore":9.1,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"CVSS","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","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"}}],"references":[{"url":"https://www.ibm.com/support/pages/node/7287497","name":"https://www.ibm.com/support/pages/node/7287497","refsource":"psirt@us.ibm.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-75878","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-75878","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"IBM","product":"Sterling File Gateway","version":"affected 6.2.0.0 6.2.0.6_1, 6.2.1.0 - 6.2.1.2, 6.2.2.0 - 6.2.2.1 semver","platforms":[]}],"timeline":[],"solutions":[{"source":"CNA","title":"","value":"IBM strongly recommends addressing the vulnerability now.\n\n\n\n\n\nProduct\n\nVersionAPARRemediation & FixIBM Sterling File Gateway6.2.0.0 - 6.2.0.6_1, 6.2.1.0 - 6.2.1.2, 6.2.2.0 - 6.2.2.1IT49865Apply 6.2.0.6_2, 6.2.1.2_1 or 6.2.2.1_1\n\n\n\n\n\n\n\nThe IIM versions 6.2.1.2_1 and 6.2.2.1_1 are available on  Fix Central http://www-933.ibm.com/support/fixcentral/swg/selectFixes . \n\n\n\nThe container versions of 6.2.1.2_1 and 6.2.2.1_1 are available in IBM Entitled Registry\n\n  *  cp.icr.io/cp/ibm-sfg for IBM Sterling File Gateway\n\n\n\n\nFor 6.2.0.6_2, contact the support","time":"","lang":"en"}],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"75878","cve":"CVE-2026-75878","epss":"0.004760000","percentile":"0.403140000","score_date":"2026-09-23","updated_at":"2026-09-24 00:07:16"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-75878","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-09-19T13:37:06.804390Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-09-19T14:11:40.461Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"cpes":["cpe:2.3:a:ibm:sterling_file_gateway:6.2.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:sterling_file_gateway:6.2.0.6_1:*:*:*:*:*:*:*"],"product":"Sterling File Gateway","vendor":"IBM","versions":[{"lessThanOrEqual":"6.2.0.6_1, 6.2.1.0 - 6.2.1.2, 6.2.2.0 - 6.2.2.1","status":"affected","version":"6.2.0.0","versionType":"semver"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>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.</p>"}],"value":"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."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-287","description":"CWE-287 Improper Authentication","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-09-18T19:22:17.649Z","orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","shortName":"ibm"},"references":[{"tags":["vendor-advisory","patch"],"url":"https://www.ibm.com/support/pages/node/7287497"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<div><p>IBM strongly recommends addressing the vulnerability now.</p></div><div><table><tbody><tr><td><p>Product</p></td><td>Version</td><td>APAR</td><td>Remediation &amp; Fix</td></tr><tr><td>IBM Sterling File Gateway</td><td>6.2.0.0 - 6.2.0.6_1, 6.2.1.0 - 6.2.1.2, 6.2.2.0 - 6.2.2.1</td><td>IT49865</td><td>Apply 6.2.0.6_2, 6.2.1.2_1 or 6.2.2.1_1</td></tr></tbody></table></div><p></p><p>The IIM versions 6.2.1.2_1 and 6.2.2.1_1 are available on <a href=\"http://www-933.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~Other%2Bsoftware&amp;product=ibm/Other+software/Sterling+B2B+Integrator&amp;release=All&amp;platform=All&amp;function=all\" rel=\"noopener noreferrer nofollow\">Fix Central</a>. </p><p>The container versions of 6.2.1.2_1 and 6.2.2.1_1 are available in IBM Entitled Registry</p><ul><li>cp.icr.io/cp/ibm-sfg for IBM Sterling File Gateway</li></ul><p>For 6.2.0.6_2, contact the support</p>"}],"value":"IBM strongly recommends addressing the vulnerability now.\n\n\n\n\n\nProduct\n\nVersionAPARRemediation & FixIBM Sterling File Gateway6.2.0.0 - 6.2.0.6_1, 6.2.1.0 - 6.2.1.2, 6.2.2.0 - 6.2.2.1IT49865Apply 6.2.0.6_2, 6.2.1.2_1 or 6.2.2.1_1\n\n\n\n\n\n\n\nThe IIM versions 6.2.1.2_1 and 6.2.2.1_1 are available on  Fix Central http://www-933.ibm.com/support/fixcentral/swg/selectFixes . \n\n\n\nThe container versions of 6.2.1.2_1 and 6.2.2.1_1 are available in IBM Entitled Registry\n\n  *  cp.icr.io/cp/ibm-sfg for IBM Sterling File Gateway\n\n\n\n\nFor 6.2.0.6_2, contact the support"}],"title":"IBM Sterling File Gateway is Vulnerable to Authentication Bypass"}},"cveMetadata":{"assignerOrgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","assignerShortName":"ibm","cveId":"CVE-2026-75878","datePublished":"2026-09-18T19:22:17.649Z","dateReserved":"2026-08-18T12:47:31.992Z","dateUpdated":"2026-09-19T14:11:40.461Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-18 20:17:21","lastModifiedDate":"2026-09-22 19:32:25","problem_types":["CWE-287","CWE-287 CWE-287 Improper Authentication"],"metrics":{"cvssMetricV31":[{"source":"psirt@us.ibm.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","baseScore":9.1,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":5.2}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-09-19T13:37:06.804390Z","id":"CVE-2026-75878","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"75878","Ordinal":"1","Title":"IBM Sterling File Gateway is Vulnerable to Authentication Bypass","CVE":"CVE-2026-75878","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"75878","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"IBM Sterling File Gateway is Vulnerable to Authentication Bypass"}]}}}