Zebra has block suppression via NU5 same-header body poisoning of sent-hash cache
High-risk advisory
CVE-2026-52736
Summary
Zebra has block suppression via NU5 same-header body poisoning of sent-hash cache
Why it matters
GitHub has published a reviewed security advisory for zebra-state. Prioritize it with other application dependency updates.
Operator check
Check whether zebra-state 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.