CVE-2026-0865
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)
2026-01-20
cna@python.org
Lifecycle Timeline
3
Patch released
Mar 19, 2026 - 11:15 nvd
Patch available
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 20, 2026 - 22:15 nvd
N/A
DescriptionCVE.org
User-controlled header names and values containing newlines can allow injecting HTTP headers.
Analysis
User-controlled header names and values containing newlines can allow injecting HTTP headers.
Technical ContextAI
User-controlled header names and values containing newlines can allow injecting HTTP headers.
Affected ProductsAI
User-controlled header names and values containing newlines can allow injecting HTTP headers.
RemediationAI
Monitor vendor advisories for a patch.
Same technique Code Injection
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External POC / Exploit Code
Leaving vuln.today
Destination URL
POC code from unknown sources may be malicious, contain backdoors, or be fake.
Always review and test exploit code in a safe, isolated environment (VM/sandbox).
Verify the source reputation and cross-reference with known databases (Exploit-DB, GitHub Security).