CVE-2026-75878

9.1 criticalEPSS 0.6%

Critical (9.1). EPSS 0.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.1 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-31)
CWE: CWE-287
Published: 2026-09-18
Modified: 2026-09-22
Record from: the NVD, synced 2026-10-19

References

https://www.ibm.com/support/pages/node/7287497

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