@logtape/syslog: syslog log injection via unescaped control characters and unvalidated SD-NAME keys

Date Aug 26, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product npm ยท @logtape/syslog
CVE CVE-2026-54511
High-risk advisory CVE-2026-54511

Summary

@logtape/syslog: syslog log injection via unescaped control characters and unvalidated SD-NAME keys

Why it matters

GitHub has published a reviewed security advisory for @logtape/syslog. Prioritize it with other application dependency updates, especially because EPSS places it in the 23% percentile.

Operator check

Check whether @logtape/syslog 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: 23%.

Sources

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