Vulnerability · Published Feb 23, 2026 · Assigned by CPANSec
CVE-2024-58041Smolder versions through 1.51 for Perl uses insecure rand() function for cryptographic functions
Critical 9.1
In plain English
A critical-severity security flaw in Smolder from WONKO. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).
Official description
Smolder versions through 1.51 for Perl uses insecure rand() function for cryptographic functions. Smolder 1.51 and earlier for Perl uses the rand() function as the default source of entropy, which is not cryptographically secure, for cryptographic functions. Specifically Smolder::DB::Developer uses the Data::Random library which specifically states that it is "Useful mostly for test programs". Data::Random uses the rand() function.
Affected products (as reported)
Weakness: CWE-338 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
References
- https://perldoc.perl.org/functions/rand
- https://security.metacpan.org/docs/guides/random-data-for-security.html
- https://metacpan.org/release/BAREFOOT/Data-Random-0.13/source/lib/Data/Random.pm#L537
- https://metacpan.org/release/WONKO/Smolder-1.51/source/lib/Smolder/DB/Developer.pm#L5
- https://metacpan.org/release/WONKO/Smolder-1.51/source/lib/Smolder/DB/Developer.pm#L221