How severe is CVE-2026-12212?

CVE-2026-12212 has a CVSS 3.x base score of 4.3, 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 none, and availability none.

Is CVE-2026-12212 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-12212?

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

Does CVE-2026-12212 have an EU (EUVD) identifier?

Yes. CVE-2026-12212 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36686.

When was CVE-2026-12212 published?

CVE-2026-12212 was published on 2026-06-15 and last updated on 2026-06-17.

CVE-2026-12212

CVE-2026-12212 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. 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-266.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
CVSS v4: 2.1
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36686
Weakness: CWE-266
Published: 2026-06-15
Last modified: 2026-06-17

Description

A vulnerability has been found in hcengineering Huly Platform up to 0.7.0. Affected is the function getMailboxSecret of the file server/account/src/operations.ts of the component RPC Interface. The manipulation leads to improper access controls. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2026-12212?: A vulnerability has been found in hcengineering Huly Platform up to 0.7.0. Affected is the function getMailboxSecret of the file server/account/src/operations.ts of the component RPC Interface. The manipulation leads to improper access controls. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2026-12212?: CVE-2026-12212 has a CVSS 3.x base score of 4.3, 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 none, and availability none.
Is CVE-2026-12212 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-12212?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-12212 have an EU (EUVD) identifier?: Yes. CVE-2026-12212 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36686.
When was CVE-2026-12212 published?: CVE-2026-12212 was published on 2026-06-15 and last updated on 2026-06-17.

References

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