ex_aws_sns: Trusted-attacker `SigningCertURL` permits complete SNS signature bypass

Date Jun 26, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product erlang · ex_aws_sns
High-risk advisory

Summary

ex_aws_sns: Trusted-attacker `SigningCertURL` permits complete SNS signature bypass

Why it matters

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

Operator check

Check whether ex_aws_sns is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.7.

Sources

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