CVE-2026-32037: Openclaw OpenClaw's MSTeams Attachment Redirect Handling Vulnerability

HIGH
Advisory Identifier: GHSA-w76h-8m22-hpgh
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CVSS 6.0
CWE-918
Published
Advisory Summary

CVE-2026-32037 is a HIGH (CVSS 6.0) openclaw's msteams attachment redirect handling vulnerability (CWE-918: Server-Side Request Forgery (SSRF)) affecting Openclaw libraries in the npm ecosystem. The issue involves openclaw's msteams attachment redirect handling could bypass configured media host allowlists. Remediation is available by upgrading affected packages to version 2026.2.22.

CVE-2026-32037 at a Glance

CVE Identifier CVE-2026-32037
GHSA Identifier GHSA-w76h-8m22-hpgh
Severity HIGH
CVSS v3.1 Base Score 6.0
CWE Classification CWE-918: Server-Side Request Forgery (SSRF)
Affected Product Openclaw
Package Ecosystem npm
Published Date
Last Updated

Security Impact

CVSS: 6.0

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L).

Attack Vector Network (AV:N)
Attack Complexity High (AC:H)
Privileges Required Low (PR:L)
User Interaction None (UI:N)
Scope Changed (S:C)
Confidentiality Low (C:L)
Integrity Low (I:L)
Availability Low (A:L)

How to Fix CVE-2026-32037

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: 2026.2.22 
npm install openclaw@2026.2.22
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-2026-32037, 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 2026.2.22), 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-918: Server-Side Request Forgery (SSRF), where the web server receives a url or similar request from an upstream component and retrieves the contents of this url, but it does not sufficiently ensure that the request is being sent to the expected destination. 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 In OpenClaw MSTeams media download flows, redirect handling could bypass configured `mediaAllowHosts` checks in specific attachment paths. Redirect chains were not consistently constrained to allowlisted targets before accepting fetched content. ## Affected Packages / Versions - Package: `openclaw` (npm) - Affected versions: `<= 2026.2.21-2` (latest published at triage time) - Fixed in: `2026.2.22` (planned next release) ## Impact Attackers able to supply or influence attachment URLs could force redirect chains to non-allowlisted targets, weakening SSRF boundary controls for MSTeams media ingestion. ## Fix Commit(s) - `73d93dee64127a26f1acd09d0403b794cdeb4f5c` - `b34097f62df9d1960cc22600269cd3f3284e2124` ## Release Process Note `patched_versions` is pre-set to the planned next release (`2026.2.22`). Once that npm release is published, this advisory can be published without further version-field edits. OpenClaw thanks @tdjackey for reporting.

CVE-2026-32037 Affected Openclaw Versions

1 component(s)
Fixed Versions:
2026.2.22
Product / Package Ecosystem Affected Versions Fixed Version
openclaw
npm/openclaw
npm
< 2026.2.22
2026.2.22

References

GitHub Advisory / Wiki ADVISORY
https://github.com/openclaw/openclaw/security/advisories/GHSA-w76h-8m22-hpgh
NVD — CVE-2026-32037 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-32037
Security Fix Commit FIX COMMIT
https://github.com/openclaw/openclaw/commit/73d93dee64127a26f1acd09d0403b794cdeb4f5c
Security Fix Commit FIX COMMIT
https://github.com/openclaw/openclaw/commit/b34097f62df9d1960cc22600269cd3f3284e2124
Openclaw Source Repository REPOSITORY
https://github.com/openclaw/openclaw
www.vulncheck.com/advisories/openclaw... WEB
https://www.vulncheck.com/advisories/openclaw-redirect-chain-bypass-of-media-host-allowlist-in-msteams-attachment-handling

Frequently Asked Questions

What is CVE-2026-32037?
CVE-2026-32037 is a security vulnerability in Openclaw involving OpenClaw's MSTeams attachment redirect handling could bypass configured media host allowlists under CWE-918: Server-Side Request Forgery (SSRF).
Which Openclaw versions are affected?
Affected versions include releases prior to 2026.2.22 across affected packages: openclaw.
What version fixes CVE-2026-32037?
Upgrading to 2026.2.22 (or the latest patched release for your respective branch) resolves the vulnerability.
Is openclaw affected?
Yes, openclaw is affected in releases prior to 2026.2.22. Upgrade your dependency to 2026.2.22 or later.
What is the CVSS score of CVE-2026-32037?
CVE-2026-32037 has a CVSS v3.1 base score of 6.0 (HIGH) with vector string CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L.
What CWE is associated with CVE-2026-32037?
CVE-2026-32037 is classified under CWE-918: Server-Side Request Forgery (SSRF) (The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.).
How can I check npm dependencies for CVE-2026-32037?
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-w76h-8m22-hpgh",
  "modified" : "2026-03-20T21:14:20Z",
  "published" : "2026-03-03T18:10:12Z",
  "aliases" : [ "CVE-2026-32037" ],
  "summary" : "OpenClaw's MSTeams attachment redirect handling could bypass configured media host allowlists",
  "details" : "## Summary\nIn OpenClaw MSTeams media download flows, redirect handling could bypass configured `mediaAllowHosts` checks in specific attachment paths. Redirect chains were not consistently constrained to allowlisted targets before accepting fetched content.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Affected versions: `<= 2026.2.21-2` (latest published at triage time)\n- Fixed in: `2026.2.22` (planned next release)\n\n## Impact\nAttackers able to supply or influence attachment URLs could force redirect chains to non-allowlisted targets, weakening SSRF boundary controls for MSTeams media ingestion.\n\n## Fix Commit(s)\n- `73d93dee64127a26f1acd09d0403b794cdeb4f5c`\n- `b34097f62df9d1960cc22600269cd3f3284e2124`\n\n## Release Process Note\n`patched_versions` is pre-set to the planned next release (`2026.2.22`). Once that npm release is published, this advisory can be published without further version-field edits.\n\nOpenClaw thanks @tdjackey for reporting.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "openclaw"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2026.2.22"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/openclaw/openclaw/security/advisories/GHSA-w76h-8m22-hpgh"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-32037"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/openclaw/openclaw/commit/73d93dee64127a26f1acd09d0403b794cdeb4f5c"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/openclaw/openclaw/commit/b34097f62df9d1960cc22600269cd3f3284e2124"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/openclaw/openclaw"
  }, {
    "type" : "WEB",
    "url" : "https://www.vulncheck.com/advisories/openclaw-redirect-chain-bypass-of-media-host-allowlist-in-msteams-attachment-handling"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-918" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-03-03T18:10:12Z",
    "nvd_published_at" : "2026-03-19T22:16:39Z"
  }
}