CVE-2026-18525 PUBLISHED

IBM Sterling Secure Proxy is vulnerable to multiple issues

Assigner: ibm
Reserved: 31.07.2026 Published: 08.11.2026 Updated: 08.11.2026

IBM Secure Proxy 6.1.0.0 through 6.2.1.2 could allow a remote authenticated attacker to cause a denial of service due to improper validation of listener IP address and port.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CVSS Score: 4.9

Product Status

Vendor IBM
Product Secure Proxy
Versions
  • affected from 6.1.0.0 to 6.1.0.4 (incl.)
  • affected from 6.2.0.0 to 6.2.1.2 (incl.)

Solutions

ProductAffected Version(s)Fixed-in Version(s)RemediationIBM Sterling Secure Proxy6.1.0.0 - 6.1.0.46.1.0.5 Fix Central https://www.ibm.com/support/fixcentral/swg/selectFixes IBM Sterling Secure Proxy6.2.0.0 - 6.2.1.26.2.1.3 Fix Central https://www.ibm.com/support/fixcentral/swg/selectFixes

IBM strongly advises upgrading as soon as possible.

References

Problem Types

  • CWE-20 Improper Input Validation CWE