CVE-2026-43572: OpenClaw Microsoft Teams SSO Invoke Handler Vulnerability

LOW
Advisory Identifier: GHSA-gc9r-867r-j85f
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CWE-862
Published
Advisory Summary

CVE-2026-43572 is a LOW microsoft teams sso invoke handler vulnerability (CWE-862: Missing Authorization) affecting OpenClaw libraries in the npm ecosystem. The issue involves microsoft teams sso invoke handler missed sender authorization checks. Remediation is available by upgrading affected packages to version 2026.4.14.

CVE-2026-43572 at a Glance

CVE Identifier CVE-2026-43572
GHSA Identifier GHSA-gc9r-867r-j85f
Severity LOW
CVSS v3.1 Base Score N/A
CWE Classification CWE-862: Missing Authorization
Affected Product OpenClaw
Package Ecosystem npm
Published Date
Last Updated

How to Fix CVE-2026-43572

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: 2026.4.14 
npm install openclaw@2026.4.14
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 CVE-2026-43572, 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 2026.4.14), 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-862: Missing Authorization, where the product does not perform an authorization check when an actor attempts to access a resource or perform an action. 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 Microsoft Teams SSO invoke handler missed sender authorization checks. ## Affected Packages / Versions - Package: `openclaw` - Ecosystem: npm - Affected versions: `>= 2026.4.10 < 2026.4.14` - Patched versions: `>= 2026.4.14` ## Impact Microsoft Teams SSO signin invoke handling could process an invoke from a sender before applying the same sender allowlist checks used by normal message handling. ## Technical Details The fix routes SSO invoke handling through the Teams sender authorization path and adds coverage for denied senders. ## Fix The issue was fixed in #66033. The first stable tag containing the fix is `v2026.4.14`, and `openclaw@2026.4.14` includes the fix. ## Fix Commit(s) - `80b1fa17bfc3f6a668492f0326ea52f48bb89776` - PR: #66033 ## Release Process Note Users should upgrade to `openclaw` 2026.4.14 or newer. The latest npm release, `2026.4.14`, already includes the fix. ## Credits Thanks to @zsxsoft, with sponsorship from @KeenSecurityLab and @qclawer for reporting this issue.

CVE-2026-43572 Affected OpenClaw Versions

1 component(s)
Fixed Versions:
2026.4.14
Product / Package Ecosystem Affected Versions Fixed Version
openclaw
npm/openclaw
npm
≥ 2026.4.10
< 2026.4.14
2026.4.14

References

GitHub Advisory / Wiki ADVISORY
https://github.com/openclaw/openclaw/security/advisories/GHSA-gc9r-867r-j85f
OpenClaw Source Repository REPOSITORY
https://github.com/openclaw/openclaw/pull/66033
Security Fix Commit FIX COMMIT
https://github.com/openclaw/openclaw/commit/80b1fa17bfc3f6a668492f0326ea52f48bb89776
OpenClaw Source Repository REPOSITORY
https://github.com/openclaw/openclaw

Frequently Asked Questions

What is CVE-2026-43572?
CVE-2026-43572 is a security vulnerability in OpenClaw involving Microsoft Teams SSO invoke handler missed sender authorization checks under CWE-862: Missing Authorization.
Which OpenClaw versions are affected?
Affected versions include releases prior to 2026.4.14 across affected packages: openclaw.
What version fixes CVE-2026-43572?
Upgrading to 2026.4.14 (or the latest patched release for your respective branch) resolves the vulnerability.
Is openclaw affected?
Yes, openclaw is affected in releases prior to 2026.4.14. Upgrade your dependency to 2026.4.14 or later.
What CWE is associated with CVE-2026-43572?
CVE-2026-43572 is classified under CWE-862: Missing Authorization (The product does not perform an authorization check when an actor attempts to access a resource or perform an action.).
How can I check npm dependencies for CVE-2026-43572?
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-gc9r-867r-j85f",
  "modified" : "2026-05-05T12:02:33Z",
  "published" : "2026-04-17T21:51:04Z",
  "aliases" : [ "CVE-2026-43572" ],
  "summary" : "OpenClaw: Microsoft Teams SSO invoke handler missed sender authorization checks",
  "details" : "## Summary\n\nMicrosoft Teams SSO invoke handler missed sender authorization checks.\n\n## Affected Packages / Versions\n\n- Package: `openclaw`\n- Ecosystem: npm\n- Affected versions: `>= 2026.4.10 < 2026.4.14`\n- Patched versions: `>= 2026.4.14`\n\n## Impact\n\nMicrosoft Teams SSO signin invoke handling could process an invoke from a sender before applying the same sender allowlist checks used by normal message handling.\n\n## Technical Details\n\nThe fix routes SSO invoke handling through the Teams sender authorization path and adds coverage for denied senders.\n\n## Fix\n\nThe issue was fixed in #66033. The first stable tag containing the fix is `v2026.4.14`, and `openclaw@2026.4.14` includes the fix.\n\n## Fix Commit(s)\n\n- `80b1fa17bfc3f6a668492f0326ea52f48bb89776`\n- PR: #66033\n\n## Release Process Note\n\nUsers should upgrade to `openclaw` 2026.4.14 or newer. The latest npm release, `2026.4.14`, already includes the fix.\n\n## Credits\n\nThanks to @zsxsoft, with sponsorship from @KeenSecurityLab and @qclawer for reporting this issue.",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:N/SA:N/E:U"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "openclaw"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2026.4.10"
      }, {
        "fixed" : "2026.4.14"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/openclaw/openclaw/security/advisories/GHSA-gc9r-867r-j85f"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/openclaw/openclaw/pull/66033"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/openclaw/openclaw/commit/80b1fa17bfc3f6a668492f0326ea52f48bb89776"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/openclaw/openclaw"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-862" ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-04-17T21:51:04Z",
    "nvd_published_at" : null
  }
}