How severe is CVE-2025-4866?

CVE-2025-4866 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-4866 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-4866?

CVE-2025-4866 affects Weibo Rill-flow. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-4866?

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

Does CVE-2025-4866 have an EU (EUVD) identifier?

Yes. CVE-2025-4866 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28238.

When was CVE-2025-4866 published?

CVE-2025-4866 was published on 2025-05-18 and last updated on 2026-06-17.

CVE-2025-4866

CVE-2025-4866 is a medium-severity vulnerability in Weibo Rill-flow with a CVSS 3.x base score of 6.3. 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-94.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 5.3
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-28238
Weakness: CWE-94
Affected product: Weibo Rill-flow
Published: 2025-05-18
Last modified: 2026-06-17

Description

A vulnerability was found in weibocom rill-flow 0.1.18. It has been classified as critical. Affected is an unknown function of the component Management Console. The manipulation leads to code injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-4866?: A vulnerability was found in weibocom rill-flow 0.1.18. It has been classified as critical. Affected is an unknown function of the component Management Console. The manipulation leads to code injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-4866?: CVE-2025-4866 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-4866 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-4866?: CVE-2025-4866 affects Weibo Rill-flow. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-4866?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-4866 have an EU (EUVD) identifier?: Yes. CVE-2025-4866 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28238.
When was CVE-2025-4866 published?: CVE-2025-4866 was published on 2025-05-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:weibo:rill-flow:0.1.18:*:*:*:*:*:*:*

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