CWE-155Improper Neutralization of Wildcards or Matching Symbols

Abstraction: Variant · CVEs in our corpus: 17

The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could be interpreted as wildcards or matching symbols when they are sent to a downstream component.

As data is parsed, an injected element may cause the process to take unexpected actions.

Last updated: 20 August 2026 13:14 UTC

Control responseHuman-reviewed

Answering this weakness across the control lifecycle, from our framework cross-walks.

Prevent

Stop it (NIST 800-53 / CSF Protect)

PR.PS-06
SI-10 Information Input Validation

Detect

Catch it (CSF Detect / Respond)

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Harden

Shrink the surface (DISA STIG)

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Validate

Prove the fix (OWASP ASVS)

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NIST 800-53 r5 controls that address this weakness (0)AI-assisted

Control	Title	Family	Why it addresses this CWE
No NIST controls proposed yet.

Top CVEs of this weakness type, ranked by Risk Priority

CVE	Risk	CVSS	EPSS	Published
`CVE-2025-27515`	7.4	9.8	0.0072	2025-03-05
`CVE-2025-4232`	6.5	8.8	0.0042	2025-06-13
`CVE-2022-21646`	6.4	8.1	0.0128	2022-01-11
`CVE-2024-47791`	5.8	7.5	0.0039	2024-12-06
`CVE-2020-1772`	5.4	6.5	0.0166	2020-03-27
`CVE-2024-0054`	5.2	6.5	0.0057	2024-03-19
`CVE-2024-0055`	5.2	6.5	0.0060	2024-03-19
`CVE-2024-6509`	5.1	6.5	0.0039	2024-09-10
`CVE-2025-24376`	5.1	6.5	0.0034	2025-01-30
`CVE-2019-3802`	4.7	5.3	0.0125	2019-06-03
`CVE-2025-0681`	4.7	6.2	0.0018	2025-01-30
`CVE-2025-0106`	4.5	5.3	0.0048	2025-01-11
`CVE-2024-8688`	3.5	4.4	0.0024	2024-09-11
`CVE-2026-49482`	3.5	4.3	0.0017	2026-06-12