CVE Catalog

CVE-2026-0865

MediumCVSS 5.9
Published: Updated: Translated: NVD NIST

Summary

User-controlled header names and values containing newlines can allow injecting HTTP headers. This may lead to manipulation of HTTP responses or requests.

Risk Assessment

An attacker could inject additional HTTP headers, potentially causing cache poisoning, response spoofing, or bypassing security mechanisms. This affects the integrity of application communication.

Recommendation

Update the affected component to a version containing the fix. Ensure validation and sanitization of user-supplied HTTP header names and values.

Related vulnerabilities

Original NVD description (English source)

User-controlled header names and values containing newlines can allow injecting HTTP headers.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS