Description
Jenkins Git client Plugin 3.11.0 and earlier does not perform SSH host key verification when connecting to Git repositories via SSH, enabling man-in-the-middle attacks.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Jenkins project | Jenkins Git client Plugin | unspecified – ≤ 3.11.0 | 3.10.0.1 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat OpenShift 4 | jenkins | 2.361.1.1672840472-1.el8 | RHSA-2023:0017 |
| Red Hat OpenShift 4 | jenkins-2-plugins | 4.8.1672842762-1.el8 | RHSA-2023:0017, RHSA-2022:7865, RHBA-2022:8582 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | org.jenkins-ci.plugins:git-client | < 3.11.1 | 3.11.1 | GHSA-cm7j-p8hc-97vj |
Advisories 4
- RHSA-2023:0017 Red Hat Security Advisory: OpenShift Container Platform 4.8.56 packages and security update Red Hat Security Advisories (RHSA) · Oct 13, 2026
- RHSA-2022:7865 Red Hat Security Advisory: OpenShift Container Platform 4.10.41 security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHBA-2022:8582 Red Hat Bug Fix Advisory: OpenShift Container Platform 4.9.52 packages update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- WID-SEC-2022-0852 Jenkins: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 12, 2023