Auth bypass in Jenkins Project Scm-Manager Plugin

CVE-2026-70435

A missing permission check in Jenkins SCM-Manager Plugin 1.11.1 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (8.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 8.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-70435: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-70435?
CVE-2026-70435 is a medium-severity vulnerability in Jenkins Project Scm-Manager Plugin, classified under Missing Authorization. CVSS score: 4.2/10. Published 2026-08-05.
How severe is CVE-2026-70435?
Medium severity. CVSS v3 base score is 4.2 out of 10.