deepstream is vulnerable to prototype pollution
High-risk advisory
CVE-2026-49252
Summary
deepstream is vulnerable to prototype pollution
Why it matters
GitHub has published a reviewed security advisory for @deepstream/server. Prioritize it with other application dependency updates, especially because EPSS places it in the 19% percentile.
Operator check
Check whether @deepstream/server is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.3%; percentile: 19%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.