How severe is CVE-2026-5346?

CVE-2026-5346 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-5346 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-5346?

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-2026-5346 have an EU (EUVD) identifier?

Yes. CVE-2026-5346 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18348.

When was CVE-2026-5346 published?

CVE-2026-5346 was published on 2026-04-02 and last updated on 2026-06-17.

CVE-2026-5346

CVE-2026-5346 is a high-severity vulnerability with a CVSS 3.x base score of 7.3. 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-918.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
CVSS v4: 5.5
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-18348
Weakness: CWE-918
Published: 2026-04-02
Last modified: 2026-06-17

Description

A vulnerability was determined in huimeicloud hm_editor up to 2.2.3. Impacted is the function client.get of the file src/mcp-server.js of the component image-to-base64 Endpoint. Executing a manipulation of the argument url can lead to server-side request forgery. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2026-5346?: A vulnerability was determined in huimeicloud hm_editor up to 2.2.3. Impacted is the function client.get of the file src/mcp-server.js of the component image-to-base64 Endpoint. Executing a manipulation of the argument url can lead to server-side request forgery. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2026-5346?: CVE-2026-5346 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-5346 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-5346?: 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-2026-5346 have an EU (EUVD) identifier?: Yes. CVE-2026-5346 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18348.
When was CVE-2026-5346 published?: CVE-2026-5346 was published on 2026-04-02 and last updated on 2026-06-17.

References

Other CWE-918 (Server-Side Request Forgery (SSRF)) vulnerabilities

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