GHSA-cjv3-m589-v3rx: Openclaw OpenClaw Has Canvas Route Hardening Vulnerability

MODERATE
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CWE-79 CWE-1021
Published
Advisory Summary

GHSA-cjv3-m589-v3rx is a MODERATE openclaw has canvas route hardening vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Openclaw libraries in the npm ecosystem. The issue involves openclaw has canvas route hardening for mixed-trust deployments. Remediation is available by upgrading affected packages to version 2026.2.21.

GHSA-cjv3-m589-v3rx at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-cjv3-m589-v3rx
Severity MODERATE
CVSS v3.1 Base Score N/A
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Openclaw
Package Ecosystem npm
Published Date
Last Updated

How to Fix GHSA-cjv3-m589-v3rx

To remediate this vulnerability, upgrade all affected Openclaw dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

openclaw fixed: 2026.2.21 
npm install openclaw@2026.2.21
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

npm ls openclaw

How to Check if You Are Affected

To determine whether your Node.js application is affected by GHSA-cjv3-m589-v3rx, inspect your project dependencies using npm:

npm ls openclaw

Analyze the terminal output to locate any version of Openclaw in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2026.2.21), your application is affected.

Note: The npm ls openclaw command inspects dependencies declared in your package.json and lockfile; it does not perform automated runtime dynamic scanning.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), where the product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. In Openclaw, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

## Summary This advisory tracks a defense-in-depth hardening for canvas routes. In mixed-trust or network-visible deployments, prior canvas auth/fallback behavior could broaden access beyond intended boundaries. ## Deployment Context OpenClaw’s default model is trusted host + loopback-first access. Some operators intentionally expose canvas routes on LAN/tailnet. This update is aimed at those broader deployment patterns. ## What Changed - Require explicit token or session-capability authorization for canvas routes. - Remove shared-IP fallback paths for canvas access. - Tighten bind/fallback behavior to fail closed. ## Impact Risk was highest in non-loopback or mixed-trust environments. In strict single-operator trusted-host setups, practical exposure is lower. ## Affected Packages / Versions - Package: `openclaw` (npm) - Vulnerable: `<= 2026.2.19-2` - Patched: `2026.2.21` (next release target) ## Fix Commit(s) - `c45f3c5b004c8d63dc0e282e2176f8c9355d24f1` - `08a7967936cfc0b2af6b27ec1f9272542648ad6c` Thanks @NucleiAv for reporting.

GHSA-cjv3-m589-v3rx Affected Openclaw Versions

1 component(s)
Fixed Versions:
2026.2.21
Product / Package Ecosystem Affected Versions Fixed Version
openclaw
npm/openclaw
npm
< 2026.2.21
2026.2.21

References

GitHub Advisory / Wiki ADVISORY
https://github.com/openclaw/openclaw/security/advisories/GHSA-cjv3-m589-v3rx
Security Fix Commit FIX COMMIT
https://github.com/openclaw/openclaw/commit/08a7967936cfc0b2af6b27ec1f9272542648ad6c
Security Fix Commit FIX COMMIT
https://github.com/openclaw/openclaw/commit/c45f3c5b004c8d63dc0e282e2176f8c9355d24f1
Openclaw Source Repository REPOSITORY
https://github.com/openclaw/openclaw

Frequently Asked Questions

What is GHSA-cjv3-m589-v3rx?
GHSA-cjv3-m589-v3rx is a security vulnerability in Openclaw involving OpenClaw has Canvas route hardening for mixed-trust deployments under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Openclaw versions are affected?
Affected versions include releases prior to 2026.2.21 across affected packages: openclaw.
What version fixes GHSA-cjv3-m589-v3rx?
Upgrading to 2026.2.21 (or the latest patched release for your respective branch) resolves the vulnerability.
Is openclaw affected?
Yes, openclaw is affected in releases prior to 2026.2.21. Upgrade your dependency to 2026.2.21 or later.
What CWE is associated with GHSA-cjv3-m589-v3rx?
GHSA-cjv3-m589-v3rx is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.).
How can I check npm dependencies for GHSA-cjv3-m589-v3rx?
Run the dependency tree command: 'npm ls openclaw'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-cjv3-m589-v3rx",
  "modified" : "2026-03-03T23:17:06Z",
  "published" : "2026-03-03T23:17:06Z",
  "aliases" : [ ],
  "summary" : "OpenClaw has Canvas route hardening for mixed-trust deployments",
  "details" : "## Summary\nThis advisory tracks a defense-in-depth hardening for canvas routes. In mixed-trust or network-visible deployments, prior canvas auth/fallback behavior could broaden access beyond intended boundaries.\n\n## Deployment Context\nOpenClaw’s default model is trusted host + loopback-first access. Some operators intentionally expose canvas routes on LAN/tailnet. This update is aimed at those broader deployment patterns.\n\n## What Changed\n- Require explicit token or session-capability authorization for canvas routes.\n- Remove shared-IP fallback paths for canvas access.\n- Tighten bind/fallback behavior to fail closed.\n\n## Impact\nRisk was highest in non-loopback or mixed-trust environments. In strict single-operator trusted-host setups, practical exposure is lower.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Vulnerable: `<= 2026.2.19-2`\n- Patched: `2026.2.21` (next release target)\n\n## Fix Commit(s)\n- `c45f3c5b004c8d63dc0e282e2176f8c9355d24f1`\n- `08a7967936cfc0b2af6b27ec1f9272542648ad6c`\n\nThanks @NucleiAv for reporting.",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "openclaw"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2026.2.21"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/openclaw/openclaw/security/advisories/GHSA-cjv3-m589-v3rx"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/openclaw/openclaw/commit/08a7967936cfc0b2af6b27ec1f9272542648ad6c"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/openclaw/openclaw/commit/c45f3c5b004c8d63dc0e282e2176f8c9355d24f1"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/openclaw/openclaw"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-1021", "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-03-03T23:17:06Z",
    "nvd_published_at" : null
  }
}