Mercury: Unauthenticated Remote Code Execution via /api/kernels

Date Oct 19, 2026

Type Vendor advisory

Signal High-risk advisory

Vendor / Product PyPI · mercury

CVE CVE-2026-111058

High-risk advisory CVE-2026-111058

Summary

Mercury: Unauthenticated Remote Code Execution via /api/kernels

Why it matters

GitHub has published a reviewed security advisory for mercury. Prioritize it with other application dependency updates.

Operator check

Check whether mercury is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available.

Sources

GitHub Advisory GHSA-rv4m-xm3f-3ccq NVD — CVE-2026-111058 Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

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