Vulnerability in Antrea-io Antrea
CVE-2026-34992
Antrea is a Kubernetes networking solution intended to be Kubernetes native. Prior to 2.4.5 and 2.5.2, a missing encryption vulnerability affects inter-Node Pod traffic. In Antrea clusters configured for dual-stack networking with IPsec en…
EPSS: 0.000 (1.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Antrea-io Antrea — versions < 2.4.5, >= 2.5.0, < 2.5.2
- Linuxfoundation Antrea
Weakness classification (CWE)
References
- https://github.com/antrea-io/antrea/security/advisories/GHSA-qcmw-8mm4-4p28 (x_refsource_CONFIRM, Patch, Vendor Advisory)
- https://github.com/antrea-io/antrea/pull/7757 (Patch, x_refsource_MISC, Issue Tracking)
- https://github.com/antrea-io/antrea/pull/7759 (Patch, x_refsource_MISC, Issue Tracking)
- https://github.com/antrea-io/antrea/commit/738bad662b20a5d358d19466936176ef580a9b07 (Patch, x_refsource_MISC)
- https://github.com/antrea-io/antrea/blob/main/docs/traffic-encryption.md (Product, Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-34992?
- CVE-2026-34992 is a high-severity vulnerability in Antrea-io Antrea, classified under Missing Encryption of Sensitive Data. CVSS score: 7.5/10. Published 2026-04-06.
- How severe is CVE-2026-34992?
- High severity. CVSS v3 base score is 7.5 out of 10.