Pac4j
Vendor:
First CVE: Sep 23, 2019 · Active for 6 years
4
Total CVEs
More Total CVEs than 75% of tracked products
1.3
Avg CVEs / Year
Higher CVE frequency than 59% of tracked products
6.9
Avg CVSS
Higher Avg CVSS than 43% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Pac4j over time
Volume of CVEsAvg CVSS Base Score
First CVE
Sep 23, 2019
6 years ago
Most Recent CVE
Apr 17, 2026
101 days ago
CVE Severity & Scoring
Pac4j4 CVEs
50%
50%
All CVEs352,785 CVEs
45%
40%
11%
MediumHigh
Attack Vector
Local0 (0.0%)
Network4 (100.0%)
Unknown0 (0.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low4 (100.0%)
High0 (0.0%)
Unknown0 (0.0%)
User Interaction
None3 (75.0%)
Unknown0 (0.0%)
Required1 (25.0%)
Privileges Required
Low1 (25.0%)
High1 (25.0%)
None2 (50.0%)
Unknown0 (0.0%)
Top CVEs
Signals from CVEs in this product scope (4 CVEs).
4 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2026-40459HIGH PAC4J is vulnerable to LDAP Injection in multiple methods. A low-privileged remote attacker can inject crafted LDAP syntax into ID-based search parameters, potentially resulting in | Apr 17, 2026 | 8.8 | 29 | NO | NO |
CVE-2021-44878HIGH If an OpenID Connect provider supports the "none" algorithm (i.e., tokens with no signature), pac4j v5.3.0 (and prior) does not refuse it without an explicit configuration on its s | Jan 6, 2022 | 7.5 | 25 | NO | NO |
CVE-2026-40458MEDIUM PAC4J is vulnerable to Cross-Site Request Forgery (CSRF). A malicious attacker can craft a specially designed website which, when visited by a user, will automatically submit a for | Apr 17, 2026 | 6.5 | 22 | NO | NO |
CVE-2019-10755MEDIUM 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 | Sep 23, 2019 | 4.9 | 20 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (4 CVEs).
CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
0 CVEs
0.0% of CVEs· Bottom 1%
Social Chatter
Signals from CVEs in this product scope (4 CVEs).
Media Mentions
Signals from CVEs in this product scope (4 CVEs).
Top CNAs Publishing CVEs For Pac4j
Top CWEs
Versions
No cataloged versions.