AI agent vulnerability · OpenClaw

GHSA-6g25-pc82-vfwp: OpenClaw: macOS beta onboarding exposed PKCE verifier via OAuth state

mediumCVSS 4.0 5.1

Summary The affected surface is the OpenClaw macOS app onboarding flow, and the macOS app is currently in beta. In that beta onboarding flow, Anthropic OAuth used the PKCE codeverifier value as OAuth state, exposing that secret in front-channel URL state.

Published Mar 3, 2026

Affected packages

openclaw

Ecosystem: npm
Affected: <= 2026.2.24
Fixed in: 2026.2.25
Check: npm ls openclaw

Advisory details

From the GitHub Advisory Database (CC BY 4.0).

Summary

The affected surface is the OpenClaw macOS app onboarding flow, and the macOS app is currently in beta. In that beta onboarding flow, Anthropic OAuth used the PKCE code_verifier value as OAuth state, exposing that secret in front-channel URL state.

Affected Packages / Versions

Package: openclaw (npm)
Affected versions: <= 2026.2.24 (latest published npm at triage time)
Affected surface: macOS app beta onboarding path (apps/macos)
Not affected: core CLI/gateway onboarding paths
Patched version : 2026.2.25

Impact

Scope is limited to the macOS beta onboarding OAuth path. Exploitation required obtaining both OAuth authorization artifacts and exposed state values during that flow.

Remediation

OpenClaw removed Anthropic OAuth sign-in from macOS onboarding and now supports setup-token-only Anthropic subscription auth in this path.

Fix Commit(s)

8f3310000a8b0c11eced054c2cdb6fb27803511a

Release Process Note

patched_versions is pre-set to the release (2026.2.25). Advisory published with npm release 2026.2.25.2.25` is published, this advisory is published.

OpenClaw thanks @zdi-disclosures for reporting.

Credited to zdi-disclosures.

References

How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology

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