How severe is CVE-2025-59518?

CVE-2025-59518 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-59518 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-59518?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-59518 have an EU (EUVD) identifier?

Yes. CVE-2025-59518 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29680.

When was CVE-2025-59518 published?

CVE-2025-59518 was published on 2025-09-17 and last updated on 2026-06-17.

CVE-2025-59518

CVE-2025-59518 is a high-severity vulnerability with a CVSS 3.x base score of 8.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 8.0)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-29680
Weakness: CWE-78
Published: 2025-09-17
Last modified: 2026-06-17

Description

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 execute commands on the server.

Frequently asked questions

What is 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 execute commands on the server.
How severe is CVE-2025-59518?: CVE-2025-59518 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-59518 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-59518?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-59518 have an EU (EUVD) identifier?: Yes. CVE-2025-59518 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29680.
When was CVE-2025-59518 published?: CVE-2025-59518 was published on 2025-09-17 and last updated on 2026-06-17.

References

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