nginx ignition has ParseAcceptLanguage `_` separator bypass that enables ~75x CPU amplification via Accept-Language ...
High-risk advisory
CVE-2026-61629
Summary
nginx ignition has ParseAcceptLanguage `_` separator bypass that enables ~75x CPU amplification via Accept-Language header in i18nMiddleware
Why it matters
GitHub has published a reviewed security advisory for github.com/lucasdillmann/nginx-ignition. Prioritize it with other application dependency updates.
Operator check
Check whether github.com/lucasdillmann/nginx-ignition 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.