Base weakness
Incomplete
CWE-540: Inclusion of Sensitive Information in Source Code
Source code on a web server or repository often contains sensitive information and should generally not be accessible to users.
Last updated
27
Recorded CVEs
With this primary weakness
0
KEVs
In the CISA KEV catalog
Not rated
Likelihood of exploit
Per MITRE
Base
Abstraction
MITRE classification
Overview
There are situations where it is critical to remove source code from an area or server. For example, obtaining Perl source code on a system allows an attacker to understand the logic of the script and extract extremely useful information such as code bugs or logins and passwords.
Real-world CVEs
27 recorded CVEs are caused by CWE-540 (Inclusion of Sensitive Information in Source Code). The highest-severity and most recent are shown first. 3 new CWE-540 CVEs have been recorded so far in 2026 (8 in 2025).