Insecure Default Certificate Verification in Programming Languages

8/10 High

Many programming languages (Python, Ruby, PHP, Perl) have insecure certificate verification defaults, either not verifying certificates at all or only checking the trust chain without hostname verification. This is fixed slowly due to backward-compatibility concerns.

PythonRubyPHPPerlSSL/TLS
Category
security
Workaround
partial
Stage
build
Freshness
persistent
Scope
language
Upstream
stale
Recurring
Yes
Buyer Type
team
Maintainer
slow

Sources

Collection History

Query: “What are the most common pain points with SSL/TLS for developers in 2025?”4/9/2026

Due to insecure defaults in lots of programming languages (Python, Ruby, PHP, Perl...) or libraries, certificates are either not verfified at all or only the trust chain is verified but not the hostname against the certificate. This gets only slowly fixed because the developers fear to break existing code.

Created: 4/9/2026Updated: 4/9/2026