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TI-2019-08020 Aliases CVE-2019-10755GHSA-rc75-cf5c-mxvh

The SAML identifier generated within SAML2Utils.java was found to make use of the apache…

Priority LOW 25CWE-338Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

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.

Why it matters now

EPSS 0.0113 66th percentileScored 2026-11-07
Fix Fixed org.pac4j:pac4j-saml (Maven): 3.8.2

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—PAC4J For SAML ProtocolAll versions prior to version 4.0.0-RC1—No fix listedCNA
—org.pac4j:pac4j-saml (Maven)before 3.8.23.8.2Patch availableGHSA-rc75-cf5c-mxvh
  • PAC4J For SAML Protocol Vendor— Affected All versions prior to version 4.0.0-RC1 Fixed in — No fix listed CNA
  • org.pac4j:pac4j-saml (Maven) Vendor— Affected before 3.8.2 Fixed in 3.8.2 Patch available GHSA-rc75-cf5c-mxvh

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:pac4j:pac4j:*:*:*:*:*:*:*:*3.0.0 – 3.8.2Vulnerablepac4j
  • cpe:2.3:a:pac4j:pac4j:*:*:*:*:*:*:*:* Versions 3.0.0 – 3.8.2 Vulnerable ·pac4j

Remediation

  • Fix · GHSA-rc75-cf5c-mxvh org.pac4j:pac4j-saml (Maven) Fixed in 3.8.2 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-10755
  2. 2026-10-03 Alias added: GHSA-rc75-cf5c-mxvh

References

Advisory 1

Other 1

  • TI-2026-29211 LDAP Injection in PAC4J CVSS 4.0HIGH 8.7
  • TI-2021-20310 If an OpenID Connect provider supports the "none" algorithm (i.e., tokens with no… CVSS 3.1HIGH 7.5
  • TI-2026-29210 Cross-Site Request Forgery in PAC4J CVSS 4.0HIGH 7.0

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences