CVE-2026-41122 Cross-site scripting in PowerProtect Data Domain

High 7.1 Published 8 Jul 2026 Updated 8 Jul 2026

An unauthenticated remote attacker can exploit a stored XSS vulnerability in Dell PowerProtect Data Domain to steal sessions or disclose information.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-41122?

CVE-2026-41122 is a high-severity cross-site scripting vulnerability in Dell Data Domain Operating System, published on 8 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.7, LTS2026 release version 8.6.1.0 through 8.6.1.10, LTS2025 release version 8.3.1.0 through 8.3.1.30, LTS2024 release versions 7.13.1.0 through 7.13.1.70 contain a stored cross-site scripting vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability. Exploitation may lead to information disclosure, session theft, or client-side request forgery.

Weakness: CWE-79

Which versions are affected by CVE-2026-41122?

It affects 1 product.

Products include Dell Data Domain Operating System.

How do I fix CVE-2026-41122?

No fix has been published for CVE-2026-41122 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-2026-41122 being exploited?

There is no known exploitation of CVE-2026-41122 in the wild and no public exploit code.

All Dell Data Domain Operating System vulnerabilities

Sources

Also known as GHSA-3745-2pcg-39jf.