OpenClaw: macOS beta onboarding exposed PKCE verifier via OAuth state
Key facts
- Attack vector
- —
- Privileges required
- —
- User interaction
- —
- Attack complexity
- —
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- —
- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub. Impact type from CWE-200.
Summary
### 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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | openclaw (npm) | before 2026.2.25 | 2026.2.25 | Patch available | GHSA-6g25-pc82-vfwp |
- openclaw (npm) Vendor— Affected before 2026.2.25 Fixed in 2026.2.25 Patch available GHSA-6g25-pc82-vfwp
Remediation
- Fix · GHSA-6g25-pc82-vfwp openclaw (npm) Fixed in 2026.2.25 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-6g25-pc82-vfwp
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences