CVE-2026-40459
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 unauthorized LDAP queries and arbitrary directory operations. This issue was fixed in PAC4J versions 4.5.10, 5.7.10 and 6.4.1
Scoring
- Severity
- HIGH
- CVSS base score
- 8.7
- CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- EPSS probability
- 0.61%
- CWE
- CWE-90
- Published
- 2026-04-17
- Last modified
- 2026-04-17
Affected products
- PAC4J PAC4J
- PAC4J PAC4J
- PAC4J PAC4J
Weakness type
Related vulnerabilities
- CVE-2026-80055 — Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to...
- CVE-2026-78579 — Improper Input Sanitization in Okta Access Gateway LDAP Datastore Filter Interpolation
- CVE-2026-81205 — LDAP / Active Directory Integration - Moderately critical - Information Disclosure - SA-CONTRIB-2026-115
- CVE-2026-75020 — Apache APISIX: ldap-auth plugin cross-subtree identity impersonation
- CVE-2026-19271 — Blind LDAP Injection in Sign-In Endpoint in TÜBİTAK BİLGEM's Liderahenk
- CVE-2026-76373 — Filter Injection through Action Parameters in AD LDAP app for Splunk SOAR
- CVE-2026-19930 — Dolibarr User Cloning card.php ldap injection
- CVE-2026-74241 — Quay: ldap referral filter injection in quay external ldap authentication