yayson: Prototype pollution in Store/LegacyStore deserialization
High-risk advisory
CVE-2026-61534
Summary
yayson: Prototype pollution in Store/LegacyStore deserialization
Why it matters
GitHub has published a reviewed security advisory for yayson. Prioritize it with other application dependency updates.
Operator check
Check whether yayson 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.