Medium
Security advisory
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-10755
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 06:12 UTC · Revision 1
Source evidence
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.
osv:CVE-2019-10755
Complete source record
{
"id": "8df37265864e97ea87b2345c5d35b71ecafe4f40aace5b402cec83a6cd1f0b9d",
"url": "https://osv.dev/vulnerability/CVE-2019-10755",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-10755",
"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.",
"evidence": "osv:CVE-2019-10755",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2019-10755",
"aliases": [
"CVE-2019-10755",
"GHSA-rc75-cf5c-mxvh",
"SNYK-JAVA-ORGPAC4J-467407"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/pac4j/pac4j",
"type": "GIT",
"events": [
{
"introduced": "ed323e62d6e00fb4cfa4d616a6359a99ea708899"
},
{
"last_affected": "8bff48b7550aa18e985a344aaa82ed7544c2088e"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:pac4j:pac4j:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.0.0"
},
{
"last_affected": "3.8.2"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-10755.json"
}
}
],
"modified": "2026-10-24T10:30:36.678528581Z",
"provider": "osv",
"references": [
"https://snyk.io/vuln/SNYK-JAVA-ORGPAC4J-467407"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2019-10755",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 434039,
"published_at": "2019-09-23T23:15:10.737+00:00"
}