Use of Cryptographically Weak Pseudo-Random Number Generator in org.pac4j:pac4j-saml
The SAML identifier generated within SAML2Utils.java was found to make use of the apache commons-lang3 RandomStringUtils class which makes them predictable due to RandomStringUtils PRNG's algorithm not being cryptographically strong. This issue only affects the 3.X release of pac4j-saml.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.pac4j:pac4j-saml | < 3.8.2 | 3.8.2 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N- Weakness (CWE)
CWE-338- Platform
- Java / Kotlin (Maven)
- Package
org.pac4j:pac4j-saml- Disclosed
- 06.11.2019
- Updated
- 11.10.2026 13:19
Sources and licenses
OSV / GitHub Advisory Database - GHSA-rc75-cf5c-mxvh - CC BY 4.0
Vulnerability history: org.pac4j:pac4j-saml
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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