What is CVE-2025-59518?

CVE-2025-59518 is a high-severity vulnerability in Lemonldap-ng Lemonldap::ng, classified under OS Command Injection. CVSS score: 8.0/10. Published 2025-09-17.

How severe is CVE-2025-59518?

High severity. CVSS v3 base score is 8.0 out of 10.

Is CVE-2025-59518 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Lemonldap-ng Lemonldap::ng

CVE-2025-59518

In LemonLDAP::NG before 2.16.7 and 2.17 through 2.21 before 2.21.3, OS command injection can occur in the Safe jail. It does not Localize _ during rule evaluation. Thus, an administrator who can edit a rule evaluated by the Safe jail can e…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.012 (63.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Lemonldap-ng Lemonldap::ng — versions 0, 2.17.0

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-59518?: CVE-2025-59518 is a high-severity vulnerability in Lemonldap-ng Lemonldap::ng, classified under OS Command Injection. CVSS score: 8.0/10. Published 2025-09-17.
How severe is CVE-2025-59518?: High severity. CVSS v3 base score is 8.0 out of 10.
Is CVE-2025-59518 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.