CVE-2025-57783
MEDIUM EPSS 35.8%
Published Jan 26, 20265mo ago · Modified Jun 17, 20262w ago
5.3 CVSS 3.1
Published Jan 26, 2026 5mo ago
Last Modified Jun 17, 2026 2w ago
Description
Improper header parsing may lead to request smuggling has been identified in Hiawatha webserver version 11.7 which allows an unauthenticated attacker to access restricted resources managed by Hiawatha webserver.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity None
Availability None
Threat Intelligence
EPSS Exploit Probability
35.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| hiawatha-webserver | hiawatha | 11.7 | any |
References 1
- gitlab.com https://gitlab.com/hsleisink/hiawatha/-/blame/master/src/http.c?ref_type=heads#L205
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.