CVE-2026-18740 — Security Verify Access
HIGHCVE-2026-18740 is a high-severity (CVSS 8.8) CWE-88 vulnerability in ibm security verify access. No vendor fix is recorded yet; mitigation options are listed below.
IBM Security Verify Access 10.0 through 10.0.9.2 and IBM Verify Identity Access 11.0 through 11.0.3 could allow a remote authenticated attacker to perform unauthorized actions due to…
Description
IBM Security Verify Access 10.0 through 10.0.9.2 and IBM Verify Identity Access 11.0 through 11.0.3 could allow a remote authenticated attacker to perform unauthorized actions due to argument injection.
Affected Products
security verify accessibmsecurity verify access containeribmverify identity accessibmverify identity access containeribmDetection & mitigation playbook
Vendor / applianceDetect
Inventory every ibm security verify access deployment and check each version against the affected-products list above.
Remediation status
No patch has shipped for CVE-2026-18740 yet — track the ibm security verify access advisory for a fixed release and apply the workarounds below in the meantime.
Mitigate without a patch
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands. Alongside that, restrict the management interface to trusted networks and apply the vendor's recommended configuration mitigations.
Frequently Asked Questions
Is CVE-2026-18740 being exploited in your environment?
Detect and block the exploit chain at execution, on systems you cannot patch yet.