CVE-2026-38967

Response Header Injection in CrowCpp Crow via Unvalidated Header Values

Published Jun 2, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
CrowCpp Crow through v1.3.1 HTTP is vulnerable to response header injection via unvalidated response header values.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Response Header Injection in CrowCpp Crow via Unvalidated Header Values
Type Values Removed Values Added
Title CrowCpp Crow v1.3.1 Response Header Injection Vulnerability
Weaknesses CWE-20
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title CrowCpp Crow v1.3.1 Response Header Injection Vulnerability
Weaknesses CWE-113
CWE-20
Type Values Removed Values Added
First Time appeared Crowcpp
Crowcpp crow
Vendors & Products Crowcpp
Crowcpp crow
Type Values Removed Values Added
Description CrowCpp Crow through v1.3.1 HTTP is vulnerable to response header injection via unvalidated response header values.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jun 3, 2026, 4:06 PM
Reserved
Apr 6, 2026, 12:00 AM
Status
Deferred
Published
Jun 2, 2026, 8:16 PM
Modified
Jul 22, 2026, 7:10 PM