Vulnerability library
Security checkAugust 26, 2026

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

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High severitynpm@logtape/syslog

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Description

@logtape/syslog contains two related output-encoding bugs in the structured data formatting code. Both only affect deployments with includeStructuredData: true, which is non-default.

Recommendation

Update the @logtape/syslog package to the latest compatible version. Followings are version details:

  • Affected version(s): **< 1.3.11 >= 2.0.0, < 2.0.14 >= 2.1.0, <= 2.1.4**
  • Patched version(s): **1.3.11 2.0.14 2.1.5**

References

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Related Issues

See something that needs correcting? Let us knowUpdated August 26, 2026