pay-rails/pay: non-constant-time HMAC comparison in Paddle Billing webhook signature verifier

Date Jul 1, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product RubyGems · pay
High-risk advisory

Summary

pay-rails/pay: non-constant-time HMAC comparison in Paddle Billing webhook signature verifier

Why it matters

GitHub has published a reviewed security advisory for pay. Prioritize it with other application dependency updates.

Operator check

Check whether pay is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.