How severe is CVE-2025-56499?

CVE-2025-56499 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-56499 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-56499?

CVE-2025-56499 affects Metacubex Mihomo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-56499?

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

Does CVE-2025-56499 have an EU (EUVD) identifier?

Yes. CVE-2025-56499 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198068.

When was CVE-2025-56499 published?

CVE-2025-56499 was published on 2025-11-18 and last updated on 2026-06-17.

CVE-2025-56499

CVE-2025-56499 is a medium-severity vulnerability in Metacubex Mihomo with a CVSS 3.x base score of 6.5. 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-284.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-198068
Weakness: CWE-284
Affected product: Metacubex Mihomo
Published: 2025-11-18
Last modified: 2026-06-17

Description

Incorrect access control in mihomo v1.19.11 allows authenticated attackers with low-level privileges to read arbitrary files with elevated privileges via obtaining the external control key from the config file.

Frequently asked questions

What is CVE-2025-56499?: Incorrect access control in mihomo v1.19.11 allows authenticated attackers with low-level privileges to read arbitrary files with elevated privileges via obtaining the external control key from the config file.
How severe is CVE-2025-56499?: CVE-2025-56499 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-56499 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-56499?: CVE-2025-56499 affects Metacubex Mihomo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-56499?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-56499 have an EU (EUVD) identifier?: Yes. CVE-2025-56499 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198068.
When was CVE-2025-56499 published?: CVE-2025-56499 was published on 2025-11-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:metacubex:mihomo:1.9.11:*:*:*:*:*:*:*

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