CVE-2026-88937

Summary

knowns through 0.33.0 fails to properly validate template destination paths in the code generation template engine, allowing attackers to read and write arbitrary files outside the project root. Attackers can supply malicious templates that traverse directories to overwrite shell profiles, steal credentials, or achieve persistent code execution on victim systems.

Affected Software

Weaknesses

• CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: total

Additional References

• https://github.com/knowns-dev/knowns/security/advisories/GHSA-68cq-4rwm-f7jr

References

• https://github.com/knowns-dev/knowns/security/advisories/GHSA-68cq-4rwm-f7jr
• https://github.com/knowns-dev/knowns/security/advisories/GHSA-xjcg-5j3r-m6f9
• https://github.com/knowns-dev/knowns/blob/v0.33.0/internal/codegen/template_engine.go#L625-L636
• https://github.com/knowns-dev/knowns/blob/v0.33.0/internal/codegen/template_engine.go#L318-L344
• https://www.vulncheck.com/advisories/knowns-through-0.33.0-path-traversal-via-template-engine

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