CVEvulnerability
CVE-2026-51785
9.8 CRITICAL
Official page ↗
- Status
- Deferred
- Published
- 2026-07-31
- Last modified
- 2026-10-23
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-94
Description
An issue in Hugo Leisink Hiawatha v.12.1 and before allows a remote attacker to execute arbitrary code via a crafted request
Related
Weakness · CWE (1)
- CWE-94 Improper Control of Generation of Code weakness
References
- https://fenrisk.com/hiawatha-http-smuggling fenrisk.com
- https://www.rfc-editor.org/rfc/rfc2616 www.rfc-editor.org
- https://www.rfc-editor.org/rfc/rfc2616.html#section-4.4 www.rfc-editor.org
- https://www.rfc-editor.org/rfc/rfc9112.html#section-6.3 www.rfc-editor.org
- https://fenrisk.com/hiawatha-http-smuggling fenrisk.com