CVE-2026-18668 PUBLISHED

Protection Mechanism Failure vulnerability affects IBM Sterling File Gateway

Assigner: ibm
Reserved: 03.08.2026 Published: 08.11.2026 Updated: 08.11.2026

IBM Sterling File Gateway 6.2.1.0 through 6.2.1.2_1 and  6.2.2.0 - 6.2.2.1_1 could allow a remote attacker to perform protocol downgrade attacks due to a security misconfiguration.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS Score: 6.5

Product Status

Vendor IBM
Product Sterling File Gateway
Versions
  • affected from 6.2.1.0 to 6.2.1.2_1, 6.2.2.0 - 6.2.2.1_1 (incl.)

Solutions

ProductVersionAPARRemediation & Fix IBM Sterling File Gateway 6.2.1.0 - 6.2.1.2_1IT49752 Apply 6.2.1.3  IBM Sterling File Gateway 6.2.2.0 - 6.2.2.1_1IT49752 Apply 6.2.2.2

The IIM versions of 6.2.1.3 and 6.2.2.2 are available on  Fix Central http://www-933.ibm.com/support/fixcentral/swg/selectFixes . 

The container versions of 6.2.1.3 and 6.2.2.2 are available in IBM Entitled Registry

  • cp.icr.io/cp/ibm-b2bi for IBM Sterling File Gateway

References

Problem Types

  • CWE-693 Protection Mechanism Failure CWE