OS Command Injection in Packet-Capture (Sniffer) Filter leading to Remote Code Execution on Kubernetes Nodes

Description

Improper parameter handling in NeuVector allows any authenticated user who holds the namespaced Runtime Policies (write) permission or anyone with access to NeuVector’s internal gRPC certificate key pair the ability to inject OS commands in the privileged enforcer container, which can lead to the complete compromise of the worker node. This affects NeuVector 5.4 before 5.4.11, NeuVector 5.5 before 5.5.4, NeuVector 5.6 before 5.6.2 and potentially older versions.

Scores

EPSS (exploitation in 30 days)

0.20% · top 91% of all CVEs (6 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: total

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.

Weakness

• CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection') (opens in a new tab)All about CWE-78 and its CVEs

Affected products

• SUSE · NeuVector

  • affected < 5.4.11
  • affected 5.5.0 – < 5.5.4
  • affected 5.6.0 – < 5.6.2

References (1)

• https://github.com/neuvector/neuvector/security/advisories/GHSA-vr77-8vmq-qfmj (opens in a new tab)vendor-advisory

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2026-78424](https://trackcve.app/badge/CVE-2026-78424.svg)](https://trackcve.app/cve/CVE-2026-78424)

Record last updated 29 Sept 2026, 03:55 UTC.