Home/CWE/Improper Handling of Unicode Encoding
Weakness

Improper Handling of Unicode Encoding

CWE-176 · Variant · Draft

The product does not properly handle when an input contains Unicode encoding.

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Weakness Relationships

Where this weakness sits in the CWE hierarchy. Walk up to broader classes or down to more specific variants.
Parent of this (broader)
ChildOfCWE-172 · Encoding Error
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Attack Patterns (CAPEC)

1
How adversaries exploit this weakness, per MITRE CAPEC.
CAPEC-71Using Unicode Encoding to Bypass Validation Logic
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CVEs With This Weakness

24
A sample of the 24 CVEs tagged with this weakness.
CVECVE-2026-7040
CVECVE-2026-44288
CVECVE-2026-4116
CVECVE-2026-4114
CVECVE-2026-35375
CVECVE-2026-35373
CVECVE-2026-35346
CVECVE-2026-25480
CVECVE-2026-23950
CVECVE-2026-20202
CVECVE-2025-59547
CVECVE-2025-55129
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