CVE-2026-70440 Cross-site scripting in Jenkins Qualys Container Scanning Connector Plugin
Stored XSS in Jenkins Qualys Container Scanning Connector Plugin allows attackers with configure permissions to execute scripts in user browsers.
- 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-2026-70440?
CVE-2026-70440 is a medium-severity cross-site scripting vulnerability in Jenkins Qualys Container Scanning Connector Plugin, published on 5 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
Jenkins Qualys Container Scanning Connector Plugin 1.8.0.5 and earlier does not escape user-controlled field values in a JavaScript context, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission.
Weakness: CWE-79
Which versions are affected by CVE-2026-70440?
How do I fix CVE-2026-70440?
No fix has been published for CVE-2026-70440 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-2026-70440 being exploited?
There is no known exploitation of CVE-2026-70440 in the wild and no public exploit code.
Sources
Also known as GHSA-rmwj-785q-j3gv.