Yamcs vulnerable to authenticated remote code execution via unescaped StreamSQL `LIKE` pattern compiled by Janino (`L...

Date Aug 28, 2026

Type Vendor advisory

Signal High-risk advisory

Vendor / Product Maven · org.yamcs:yamcs-core

CVE CVE-2026-55565

High-risk advisory CVE-2026-55565

Summary

Yamcs vulnerable to authenticated remote code execution via unescaped StreamSQL `LIKE` pattern compiled by Janino (`LikeExpression`)

Why it matters

GitHub has published a reviewed security advisory for org.yamcs:yamcs-core. Prioritize it with other application dependency updates.

Operator check

Check whether org.yamcs:yamcs-core 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-c64q-hj4j-375f NVD — CVE-2026-55565 Source reference

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

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