CVE-2026-4364 Security Vulnerabilities have been found in IBM Verify Identity Access and IBM Security Verify Access
Attackers can execute arbitrary JavaScript in victim browsers via improper Content-Type headers in certificate listings, affecting IBM Verify Access deployments.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-4364?
CVE-2026-4364 is a medium-severity cross-site scripting vulnerability in Ibm Security Verify Access, published on 1 Apr 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
IBM Verify Identity Access Container 11.0 through 11.0.2 and IBM Security Verify Access Container 10.0 through 10.0.9.1 and IBM Verify Identity Access 11.0 through 11.0.2 and IBM Security Verify Access 10.0 through 10.0.9.1 allows certificate listings retrieved via a browser session to return a JSON payload while incorrectly specifying the response Content-Type as text/html. Because the content is delivered with an HTML MIME type, browsers may interpret the JSON data as executable script under certain conditions. This creates an opportunity for JavaScript injection, potentially leading to cross-site scripting (XSS).
Weakness: CWE-79
Which versions are affected by CVE-2026-4364?
It affects 4 products.
Products include Ibm Security Verify Access, Ibm Security Verify Access Container, Ibm Verify Identity Access, Ibm Verify Identity Access Container.
How do I fix CVE-2026-4364?
No fix has been published for CVE-2026-4364 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-4364 being exploited?
There is no known exploitation of CVE-2026-4364 in the wild and no public exploit code.
Other vulnerabilities in Ibm Security Verify Access
- CVE-2026-78401 Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Verify Access
- CVE-2026-78406 Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Verify Access
- CVE-2024-49803 IBM Security Verify Access Appliance command execution
- CVE-2021-39070 Auth bypass in n/a
- CVE-2024-49805 IBM Security Verify Access Appliance hard coded credentials
Sources
Also known as GHSA-crwf-9ph9-47f8.