CVE-2026-75878
IBM Sterling File Gateway is Vulnerable to Authentication Bypass
CVSS Score
9.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-287 |
| Vendor | ibm |
| Product | sterling file gateway |
| Published | Sep 18, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
IBM / Sterling File Gateway
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