OS Command Injection Vulnerability in LemonLDAP::NG Affects Safe Jail Functionality
CVE-2025-59518

8HIGH

Key Information:

Vendor

Lemonldap-ng

Status
Lemonldap::ng
Vendor
CVE Published:
17 September 2025

What is CVE-2025-59518?

An OS command injection vulnerability exists in LemonLDAP::NG versions prior to 2.16.7 and from 2.17 to 2.21 before 2.21.3. This issue arises due to a flaw in the Safe jail mechanism, which does not properly localize the underscore character during rule evaluation. As a result, a malicious administrator who can modify rules evaluated by the Safe jail may execute arbitrary commands on the server, potentially compromising sensitive data and system integrity.

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Affected Version(s)

LemonLDAP::NG 0 < 2.16.7

LemonLDAP::NG 2.17.0 < 2.21.3

References

https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/issues/3462
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/commit...

CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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