CVE-2026-40464 A Stored Cross-Site Scripting (XSS) Vulnerability in Nokia NSP
An authenticated attacker can inject malicious scripts into the Nokia NSP workflow application, potentially compromising other users' sessions.
- 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-2026-40464?
CVE-2026-40464 is a medium-severity cross-site scripting vulnerability in Nokia NSP, published on 31 Aug 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
NSP is vulnerable to a stored XSS due to insufficient validation or encoding of user-controlled input in a workflow application. An authenticated attacker with access to the workflow application could embed harmful code that runs when another user views the content.
Weakness: CWE-79
Which versions are affected by CVE-2026-40464?
How do I fix CVE-2026-40464?
No fix has been published for CVE-2026-40464 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-2026-40464 being exploited?
There is no known exploitation of CVE-2026-40464 in the wild and no public exploit code.
Sources
Also known as GHSA-w5wj-3hwj-55cw.