CVE-2026-70434 Cross-site request forgery in Jenkins SCM-Manager Plugin

Medium 4.2 Published Updated

Attackers can exploit CSRF to connect to malicious URLs using stolen credentials, capturing stored Jenkins credentials.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-70434?

CVE-2026-70434 is a medium-severity vulnerability in Jenkins SCM-Manager Plugin, published on 5 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A cross-site request forgery (CSRF) vulnerability in Jenkins SCM-Manager Plugin 1.11.1 and earlier allows attackers to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.

Weakness: CWE-352

Which versions are affected by CVE-2026-70434?

How do I fix CVE-2026-70434?

No fix has been published for CVE-2026-70434 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-70434 being exploited?

There is no known exploitation of CVE-2026-70434 in the wild and no public exploit code.

Sources

Also known as GHSA-h3r9-p4mg-h9jj.

Is CVE-2026-70434 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free