CWE-185: Incorrect Regular Expression
The software specifies a regular expression in a way that causes data to
be improperly matched or compared.
https://cwe.mitre.org/data/definitions/185.html
CWE-186: Overly Restrictive Regular Expression
> A regular expression is overly restrictive, which prevents dangerous values from being detected.
>
> (...) [this CWE] is about a regular expression that does not match all
> values that are intended. (...)
https://cwe.mitre.org/data/definitions/186.html
From my understanding,
CWE-625: Permissive Regular Expression, is not applicable. (since this
is about accepting a regex match where there should not be a match).