CVE-2026-18525

IBM Sterling Secure Proxy is vulnerable to multiple issues

Published Nov 8, 2026 CVSS 3.1 · 4.9 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

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.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title IBM Sterling Secure Proxy is vulnerable to multiple issues
First Time appeared Ibm
Ibm secure Proxy
Weaknesses CWE-20
CPEs cpe:2.3:a:ibm:secure_proxy:6.1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:secure_proxy:6.1.0.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:secure_proxy:6.2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:secure_proxy:6.2.1.2:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm secure Proxy
References
Metrics cvssV3_1

{'score': 4.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Nov 9, 2026, 7:28 PM
Reserved
Jul 31, 2026, 7:39 PM
Status
Awaiting Analysis
Published
Nov 8, 2026, 6:17 PM
Modified
Nov 9, 2026, 8:18 PM