CVE-2026-51785

Summary

An issue in Hugo Leisink Hiawatha v.12.1 and before allows a remote attacker to execute arbitrary code via a crafted request

Affected Software

Weaknesses

• n/a

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: total

Additional References

• https://fenrisk.com/hiawatha-http-smuggling

References

• https://www.rfc-editor.org/rfc/rfc9112.html#section-6.3
• https://www.rfc-editor.org/rfc/rfc2616
• https://www.rfc-editor.org/rfc/rfc2616.html#section-4.4
• https://fenrisk.com/hiawatha-http-smuggling

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