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Weakness

Improper Output Neutralization for Logs

CWE-117 · Base · Draft

The product constructs a log message from external input, but it does not neutralize or incorrectly neutralizes special elements when the message is written to a log file.

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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-116 · Improper Encoding or Escaping of Output
ChildOfCWE-20 · Improper Input Validation
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Attack Patterns (CAPEC)

3
How adversaries exploit this weakness, per MITRE CAPEC.
CAPEC-268Audit Log Manipulation
CAPEC-81Web Server Logs Tampering
CAPEC-93Log Injection-Tampering-Forging
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CVEs With This Weakness

95
A sample of the 95 CVEs tagged with this weakness.
CVECVE-2026-6494
CVECVE-2026-34478
CVECVE-2026-25548
CVECVE-2026-1337
CVECVE-2025-66577
CVECVE-2025-59784
CVECVE-2025-59476
CVECVE-2025-58580
CVECVE-2025-57564
CVECVE-2025-54813
CVECVE-2025-54812
CVECVE-2025-54656
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