CVE-2026-17189 in Security Verify Access
Summary
by MITRE • 10/09/2026
IBM Security Verify Access 10.0 through 10.0.9.2 and IBM Verify Identity Access 11.0 through 11.0.3 is vulnerable to cross-site scripting. This vulnerability allows an unauthenticated user to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session
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Analysis
by VulDB Data Team • 10/09/2026
The identified security flaw resides within IBM Security Verify Access versions 10.0 through 10.0.9.2 and IBM Verify Identity Access versions 11.0 through 11.0.3, representing a critical cross-site scripting vulnerability in the web-based management interface. This type of weakness is formally categorized under CWE-79, which describes Improper Neutralization of Input During Web Page Generation commonly known as Cross-site Scripting or XSS. The root cause lies in the application's failure to adequately sanitize user-supplied input before rendering it within dynamic HTML content. Specifically, the web interface accepts data from unauthenticated users and incorporates this information into the page structure without sufficient validation or encoding mechanisms. This architectural oversight allows an attacker to inject malicious scripts that are subsequently executed by the victim's browser in the context of the trusted application domain.
The operational impact of this vulnerability is severe due to its ability to be exploited by unauthenticated actors, thereby lowering the barrier for entry significantly. An adversary can craft a specially designed URL or form submission containing embedded JavaScript code and lure an administrator or authorized user with valid credentials to interact with it. When such a user accesses the manipulated interface element while logged into their session, the malicious script executes within the browser environment of that trusted session. This execution context grants the attacker access to sensitive data protected by same-origin policy restrictions, most notably session cookies, authentication tokens, and potentially other personally identifiable information stored in local storage or retrieved via AJAX requests. The primary consequence is the potential disclosure of credentials and session identifiers, which effectively allows the attacker to hijack active user sessions without needing to crack passwords or bypass multi-factor authentication mechanisms directly.
From a threat intelligence perspective, this vulnerability aligns with several techniques outlined in the MITRE ATT&CK framework. It facilitates initial access through social engineering tactics where an unsuspecting administrator is tricked into visiting a malicious link, corresponding to Tactic TA0001 Initial Access and Technique T1566 Phishing. Furthermore, once the script executes within the trusted session, it enables credential harvesting as described in Technique T1539 Steal Web Session Cookie. The attacker can then leverage these stolen credentials or tokens to perform unauthorized actions on behalf of the victim, potentially escalating privileges or exfiltrating sensitive organizational data stored within the identity and access management system. This chain of exploitation underscores the risk posed by client-side vulnerabilities in administrative interfaces that handle high-privilege operations.
Mitigation strategies must address both immediate remediation and long-term defensive posture improvements. The primary corrective action is to apply the vendor-provided patches or updates released for IBM Security Verify Access 10.0.x and IBM Verify Identity Access 11.0.x, which include code changes to properly encode output and validate input parameters within the web UI components. In environments where patching cannot be immediately implemented due to operational constraints, network-level controls should be deployed as compensating measures. This includes configuring Web Application Firewalls to detect and block requests containing common XSS payloads or script tags directed at the vulnerable endpoints. Additionally, implementing strict Content Security Policy headers can restrict the execution of inline scripts and limit the domains from which resources are loaded, thereby reducing the impact if an injection attempt succeeds. Regular security audits focusing on input validation practices across all web-facing components are also recommended to prevent similar flaws in future development cycles.