Seroval: fromJSON deserializer trusts node-supplied array length and sequence doneAt (unauthenticated event-loop DoS)
High-risk advisory
CVE-2026-116581
Summary
Seroval: fromJSON deserializer trusts node-supplied array length and sequence doneAt (unauthenticated event-loop DoS)
Why it matters
GitHub has published a reviewed security advisory for seroval. Prioritize it with other application dependency updates, especially because EPSS places it in the 39% percentile.
Operator check
Check whether seroval is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.5%; percentile: 39%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.