by Kastro
Paper/Archive/CVE-2026-75878

CVE-2026-75878

IBM Sterling File Gateway — IBM Sterling File Gateway is Vulnerable to Authentication Bypass

EPSS 0.6%CVSS 9.1
critical.is priorityof 100
38
CVSS 9.1 (CNA)9.1 / 10 × 3027.3Not in CISA KEV+300.0EPSS percentile 50.9.509 × 2010.2No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Sterling File Gateway6.2.0.0 – 6.2.0.6_1, 6.2.1.0 - 6.2.1.2, 6.2.2.0 - 6.2.2.1–CNA

Scores by source

ibm (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial

References

patchibm.com/support/pages/node/7287497