CVE-2026-75878

IBM Sterling File Gateway is Vulnerable to Authentication Bypass

State: Published
Severity: 9.1 Critical
Published: Sep 18, 2026
Updated: Sep 19, 2026
Reserved: Aug 18, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	9.1 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N	ibm

Weaknesses

CWE-287 Improper Authentication

Affected Products

Product	Versions
Sterling File GatewayIBM	6.2.0.0 through 6.2.0.6_1, 6.2.1.0 - 6.2.1.2, 6.2.2.0 - 6.2.2.1Affected

References

https://www.ibm.com/support/pages/node/7287497vendor-advisorypatch

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