How severe is CVE-2025-66386?

CVE-2025-66386 has a CVSS 3.x base score of 4.1, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-66386 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-66386?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-66386 have an EU (EUVD) identifier?

Yes. CVE-2025-66386 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-199867.

When was CVE-2025-66386 published?

CVE-2025-66386 was published on 2025-11-28 and last updated on 2026-06-17.

CVE-2025-66386

CVE-2025-66386 is a medium-severity vulnerability with a CVSS 3.x base score of 4.1. 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-23.

Key facts

Severity: Medium (CVSS 3.x base score 4.1)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-199867
Weakness: CWE-23
Published: 2025-11-28
Last modified: 2026-06-17

Description

app/Model/EventReport.php in MISP before 2.5.27 allows path traversal in view picture for a site-admin.

Frequently asked questions

What is CVE-2025-66386?: app/Model/EventReport.php in MISP before 2.5.27 allows path traversal in view picture for a site-admin.
How severe is CVE-2025-66386?: CVE-2025-66386 has a CVSS 3.x base score of 4.1, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-66386 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-66386?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-66386 have an EU (EUVD) identifier?: Yes. CVE-2025-66386 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-199867.
When was CVE-2025-66386 published?: CVE-2025-66386 was published on 2025-11-28 and last updated on 2026-06-17.

References

Other CWE-23 vulnerabilities

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