CVE-2026-0865

CVE Details

Release Date:	2026-01-20
Impact:	Moderate	What is this?

Description

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

See more information about CVE-2026-0865 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	4.5
Vector String:	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N
Version:	3.1
Attack Vector:	Network
Attack Complexity:	Low
Privileges Required:	High
User Interaction:	Required
Scope:	Unchanged
Confidentiality Impact:	None
Integrity Impact:	High
Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (python3)	ELSA-2026-2128	2026-02-05