CVE-2026-41337: OpenClaw Voice-call Plivo Replay Mutates In-process Vulnerability

MODERATE
Advisory Identifier: GHSA-89r3-6x4j-v7wf
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CVSS 5.3
CWE-294
Published
Advisory Summary

CVE-2026-41337 is a MODERATE (CVSS 5.3) voice-call plivo replay mutates in-process vulnerability (CWE-294: Authentication Bypass by Capture-replay) affecting OpenClaw libraries in the npm ecosystem. The issue involves voice-call plivo replay mutates in-process callback origin before replay rejection. Remediation is available by upgrading affected packages to version 2026.3.31.

CVE-2026-41337 at a Glance

CVE Identifier CVE-2026-41337
GHSA Identifier GHSA-89r3-6x4j-v7wf
Severity MODERATE
CVSS v3.1 Base Score 5.3
CWE Classification CWE-294: Authentication Bypass by Capture-replay
Affected Product OpenClaw
Package Ecosystem npm
Published Date
Last Updated

Security Impact

CVSS: 5.3

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

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

How to Fix CVE-2026-41337

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: 2026.3.31 
npm install openclaw@2026.3.31
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-2026-41337, 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 2026.3.31), 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-294: Authentication Bypass by Capture-replay, where a capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes). 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 Voice-call Plivo replay mutates in-process callback origin before replay rejection ## Current Maintainer Triage - Status: narrow - Normalized severity: low - Assessment: v2026.3.28 can still mutate Plivo callback origin before replay rejection, but this needs a captured valid callback for a live call so medium is overstated. ## Affected Packages / Versions - Package: `openclaw` (npm) - Latest published npm version: `2026.3.31` - Vulnerable version range: `<=2026.3.28` - Patched versions: `>= 2026.3.31` - First stable tag containing the fix: `v2026.3.31` ## Fix Commit(s) - `efe9183f9d2fd5e01c8068fa01f4a07a58a63c0b` — 2026-03-31T19:50:35+09:00 ## Release Process Note - The fix is already present in released version `2026.3.31`. - This draft looks ready for final maintainer disposition or publication, not additional code-fix work. Thanks @zsxsoft for reporting.

CVE-2026-41337 Affected OpenClaw Versions

1 component(s)
Fixed Versions:
2026.3.31
Product / Package Ecosystem Affected Versions Fixed Version
openclaw
npm/openclaw
npm
< 2026.3.31
2026.3.31

References

GitHub Advisory / Wiki ADVISORY
https://github.com/openclaw/openclaw/security/advisories/GHSA-89r3-6x4j-v7wf
NVD — CVE-2026-41337 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-41337
Security Fix Commit FIX COMMIT
https://github.com/openclaw/openclaw/commit/efe9183f9d2fd5e01c8068fa01f4a07a58a63c0b
OpenClaw Source Repository REPOSITORY
https://github.com/openclaw/openclaw
OpenClaw Release RELEASE
https://github.com/openclaw/openclaw/releases/tag/v2026.3.31
www.vulncheck.com/advisories/openclaw... WEB
https://www.vulncheck.com/advisories/openclaw-callback-origin-mutation-in-plivo-voice-call-replay

Frequently Asked Questions

What is CVE-2026-41337?
CVE-2026-41337 is a security vulnerability in OpenClaw involving Voice-call Plivo replay mutates in-process callback origin before replay rejection under CWE-294: Authentication Bypass by Capture-replay.
Which OpenClaw versions are affected?
Affected versions include releases prior to 2026.3.31 across affected packages: openclaw.
What version fixes CVE-2026-41337?
Upgrading to 2026.3.31 (or the latest patched release for your respective branch) resolves the vulnerability.
Is openclaw affected?
Yes, openclaw is affected in releases prior to 2026.3.31. Upgrade your dependency to 2026.3.31 or later.
What is the CVSS score of CVE-2026-41337?
CVE-2026-41337 has a CVSS v3.1 base score of 5.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2026-41337?
CVE-2026-41337 is classified under CWE-294: Authentication Bypass by Capture-replay (A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes).).
How can I check npm dependencies for CVE-2026-41337?
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-89r3-6x4j-v7wf",
  "modified" : "2026-05-06T23:22:29Z",
  "published" : "2026-04-02T20:57:02Z",
  "aliases" : [ "CVE-2026-41337" ],
  "summary" : "OpenClaw: Voice-call Plivo replay mutates in-process callback origin before replay rejection",
  "details" : "## Summary\nVoice-call Plivo replay mutates in-process callback origin before replay rejection\n\n## Current Maintainer Triage\n- Status: narrow\n- Normalized severity: low\n- Assessment: v2026.3.28 can still mutate Plivo callback origin before replay rejection, but this needs a captured valid callback for a live call so medium is overstated.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Latest published npm version: `2026.3.31`\n- Vulnerable version range: `<=2026.3.28`\n- Patched versions: `>= 2026.3.31`\n- First stable tag containing the fix: `v2026.3.31`\n\n## Fix Commit(s)\n- `efe9183f9d2fd5e01c8068fa01f4a07a58a63c0b` — 2026-03-31T19:50:35+09:00\n\n## Release Process Note\n- The fix is already present in released version `2026.3.31`.\n- This draft looks ready for final maintainer disposition or publication, not additional code-fix work.\n\nThanks @zsxsoft for reporting.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "openclaw"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2026.3.31"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 2026.3.28"
    }
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/openclaw/openclaw/security/advisories/GHSA-89r3-6x4j-v7wf"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-41337"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/openclaw/openclaw/commit/efe9183f9d2fd5e01c8068fa01f4a07a58a63c0b"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/openclaw/openclaw"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/openclaw/openclaw/releases/tag/v2026.3.31"
  }, {
    "type" : "WEB",
    "url" : "https://www.vulncheck.com/advisories/openclaw-callback-origin-mutation-in-plivo-voice-call-replay"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-294" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-04-02T20:57:02Z",
    "nvd_published_at" : null
  }
}