PT-2026-27198 · Api · Api
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Published
2026-03-23
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Updated
2026-03-27
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CVE-2026-32879
CVSS v3.1
4.9
Medium
| Vector | AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
Name of the Vulnerable Software and Affected Versions
New API versions 0.10.0 and later
Description
A flaw exists in the universal secure verification flow, allowing an authenticated user with a registered passkey to bypass the WebAuthn assertion requirement. This issue affects actions protected by
SecureVerificationRequired(). Specifically, the POST /api/verify endpoint, when receiving a request with {"method":"passkey"}, only verifies the existence of a registered passkey, failing to validate a completed WebAuthn assertion. This can lead to unauthorized access to sensitive information, such as channel secrets via the POST /api/channel/:id/key endpoint. Successful exploitation requires an existing authenticated session and a registered passkey.Recommendations
For versions 0.10.0 and later, do not rely on passkey as the step-up method for privileged secure-verification actions.
Require TOTP/2FA for privileged secure-verification actions where possible.
Temporarily restrict access to affected secure-verification-protected endpoints.
Exploit
Fix
Improper Authentication
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Weakness Enumeration
Related Identifiers
Affected Products
Api