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GHSA-6g25-pc82-vfwp

MediumCVSS 5.1 / 10
Published Mar 3, 2026·Last modified Mar 4, 2026
Affected Components(0)

No affected components available

Description

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.

Risk Scores
Base Score
5.1

The vulnerability requires local access to the device to be exploited. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability.

Threat Intelligence
1.2

Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.

EPSS
0.46%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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Medium severity
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