CVE-2026-40459

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Source

https://cve.org/CVERecord?id=CVE-2026-40459

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40459.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-40459

Published

2026-04-17T13:18:39.181Z

Modified

2026-07-08T08:13:12.333541776Z

Severity

8.7 (High) CVSS_V4 - 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 CVSS Calculator

Summary

LDAP Injection in PAC4J

Details

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

Database specific

{
    "cna_assigner": "CERT-PL",
    "cwe_ids": [
        "CWE-90"
    ],
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "4.0"
                },
                {
                    "fixed": "4.5.10"
                },
                {
                    "introduced": "5.0"
                },
                {
                    "fixed": "5.7.10"
                },
                {
                    "introduced": "6.0"
                },
                {
                    "fixed": "6.4.1"
                }
            ],
            "source": "AFFECTED_FIELD"
        }
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40459.json"
}

References

Affected packages

Git / github.com/pac4j/pac4j

Affected ranges

Type

GIT

Repo

https://github.com/pac4j/pac4j

Events

Introduced

332a4f2d38015495108b225a3f7353a165969f90

Fixed

773ecd47b45a9e23c0ec72a3a7acc2588324edb2

Introduced

c4aa7948f21985f9acc6778414afc9719c79befb

Fixed

735e3e573dfa90e0361cc0ca66274cacd0d6788f

Introduced

355a7201cb9a1e5ded694683464332418802cac8

Fixed

b28a5e1705ed4830e2d7caf2361ee8123d74dcf1

Database specific

{
    "extracted_events": [
        {
            "introduced": "4.0.0"
        },
        {
            "fixed": "4.5.10"
        },
        {
            "introduced": "5.0.0"
        },
        {
            "fixed": "5.7.10"
        },
        {
            "introduced": "6.0.0"
        },
        {
            "fixed": "6.4.1"
        }
    ],
    "cpe": "cpe:2.3:a:pac4j:pac4j:*:*:*:*:*:*:*:*",
    "source": "CPE_RANGE"
}

Affected versions

6.*

6.0.4.1

pac4j-4.*

pac4j-4.0.0

pac4j-4.0.1

pac4j-4.0.2

pac4j-4.0.3

pac4j-4.1.0

pac4j-4.2.0

pac4j-4.3.1

pac4j-4.4.0

pac4j-4.5.0

pac4j-4.5.1

pac4j-4.5.2

pac4j-4.5.3

pac4j-4.5.4

pac4j-4.5.5

pac4j-4.5.6

pac4j-4.5.7

pac4j-4.5.8

pac4j-4.5.9

pac4j-5.*

pac4j-5.0.0

pac4j-5.0.1

pac4j-5.1.0

pac4j-5.1.1

pac4j-5.1.2

pac4j-5.1.3

pac4j-5.1.4

pac4j-5.1.5

pac4j-parent-5.*

pac4j-parent-5.2.0

pac4j-parent-5.2.1

pac4j-parent-5.3.0

pac4j-parent-5.3.1

pac4j-parent-5.4.0

pac4j-parent-5.4.2

pac4j-parent-5.4.3

pac4j-parent-5.4.4

pac4j-parent-5.4.5

pac4j-parent-5.4.6

pac4j-parent-5.5.0

pac4j-parent-5.6.0

pac4j-parent-5.6.1

pac4j-parent-5.7.0

pac4j-parent-5.7.1

pac4j-parent-5.7.2

pac4j-parent-5.7.3

pac4j-parent-5.7.4

pac4j-parent-5.7.5

pac4j-parent-5.7.6

pac4j-parent-5.7.7

pac4j-parent-5.7.8

pac4j-parent-5.7.9

pac4j-parent-6.*

pac4j-parent-6.0.0

pac4j-parent-6.0.1

pac4j-parent-6.0.2

pac4j-parent-6.0.3

pac4j-parent-6.0.4

pac4j-parent-6.0.5

pac4j-parent-6.0.6

pac4j-parent-6.1.0

pac4j-parent-6.1.1

pac4j-parent-6.1.2

pac4j-parent-6.1.3

pac4j-parent-6.2.0

pac4j-parent-6.2.1

pac4j-parent-6.2.2

pac4j-parent-6.3.0

pac4j-parent-6.3.1

pac4j-parent-6.3.2

pac4j-parent-6.4.0

pac4j-parent-6.4.0-RC1

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40459.json"