{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-75878", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-08-18T12:47:31.992Z", "datePublished": "2026-09-18T19:22:17.649Z", "dateUpdated": "2026-09-18T19:22:17.649Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-09-18T19:22:17.649Z"}, "title": "IBM Sterling File Gateway is Vulnerable to Authentication Bypass", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-287", "description": "CWE-287 Improper Authentication", "type": "CWE"}]}], "affected": [{"vendor": "IBM", "product": "Sterling File Gateway", "versions": [{"status": "affected", "version": "6.2.0.0", "lessThanOrEqual": "6.2.0.6_1, 6.2.1.0 - 6.2.1.2, 6.2.2.0 - 6.2.2.1", "versionType": "semver"}], "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:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "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.", "supportingMedia": [{"type": "text/html", "base64": false, "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>"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7287497", "tags": ["vendor-advisory", "patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseSeverity": "CRITICAL", "baseScore": 9.1, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"}}], "solutions": [{"lang": "en", "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\u00a0 Fix Central http://www-933.ibm.com/support/fixcentral/swg/selectFixes .\u00a0\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", "supportingMedia": [{"type": "text/html", "base64": false, "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\u00a0<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>.\u00a0</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>"}]}]}}}

{}

{"affected": [{"affectedData": [{"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"}]}], "source": "psirt@us.ibm.com"}], "cveTags": [], "descriptions": [{"lang": "en", "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."}], "id": "CVE-2026-75878", "lastModified": "2026-09-18T20:17:21.363", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "psirt@us.ibm.com", "type": "Primary"}]}, "published": "2026-09-18T20:17:21.363", "references": [{"source": "psirt@us.ibm.com", "url": "https://www.ibm.com/support/pages/node/7287497"}], "sourceIdentifier": "psirt@us.ibm.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "psirt@us.ibm.com", "type": "Primary"}]}

{}

{}