Skip to content
CVE PROGRAM SOURCE RECORD5.9 Medium

CVE-2026-0865

wsgiref.headers.Headers allows header newline injection

Description

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

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Python Software Foundation CPython

Default version status: unaffected

  • 0 to < 3.10.20affected
  • 3.11.0 to < 3.11.15affected
  • 3.12.0 to < 3.12.13affected
  • 3.13.0 to < 3.13.12affected
  • 3.14.0 to < 3.14.3affected
  • 3.15.0a1 to < 3.15.0a6affected

References