GHSA-4jj9-cgqc-x9h5
NeuVector OpenID Connect is vulnerable to man-in-the-middle (MITM)
Quick fix
GHSA-4jj9-cgqc-x9h5 — github.com/neuvector/neuvector: upgrade to the fixed version with the command below.
go get github.com/neuvector/neuvector@v5.4.8Details
### Impact
NeuVector supports login authentication through OpenID Connect. However, the TLS verification (which verifies the remote server's authenticity and integrity) for OpenID Connect is not enforced by default. As a result this may expose the system to man-in-the-middle (MITM) attacks. Starting from version 5.4.0, NeuVector supports TLS verification for following connection types:
- Registry Connections - Auth Server Connections (SAML, LDAP and OIDC) - Webhook Connections
By default, TLS verification remains disabled, and its configuration is located under **Settings > Configuration in the NeuVector UI**.
In the patched version, the new NeuVector deployment enables TLS verification by default. For rolling upgrades, NeuVector does not automatically change this setting to prevent disruptions.
**Note:** When "TLS verification" is enabled, it affects all connections to:
- Registry servers - Auth servers (SAML, LDAP and OIDC) - Webhook servers
### Patches
Patched versions include release v5.4.8 and above.
### Workarounds
To manually enable TLS verification:
1. Open the NeuVector UI. 2. Navigate to **Settings > Configuration**. 3. In the **TLS Self-Signed Certificate Configuration** section, select **Enable TLS verification**. 4. (Optional) Upload or paste the **TLS self-signed certificate**.
### References
If you have any questions or comments about this advisory:
- Reach out to the [SUSE Rancher Security team](https://github.com/rancher/rancher/security/policy) for security related inquiries. - Open an issue in the [NeuVector](https://github.com/neuvector/neuvector/issues/new/choose) repository. - Verify with our [support matrix](https://www.suse.com/suse-neuvector/support-matrix/all-supported-versions/neuvector-v-all-versions/) and [product support lifecycle](https://www.suse.com/lifecycle/#suse-security).
Are you affected?
Enter the version of the package you're using.
Affected packages
5.3.0Fixed in: 5.4.8go get github.com/neuvector/neuvector@v5.4.8References
- https://github.com/neuvector/neuvector/security/advisories/GHSA-4jj9-cgqc-x9h5[WEB]
- https://nvd.nist.gov/vuln/detail/CVE-2025-66001[ADVISORY]
- https://github.com/neuvector/neuvector/commit/955904b5762f296d209bf395a5fcc7a40a53c424[WEB]
- https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-66001[WEB]
- https://github.com/neuvector/neuvector[PACKAGE]