How severe is CVE-2026-12219?

CVE-2026-12219 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-2026-12219 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-12219?

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

Does CVE-2026-12219 have an EU (EUVD) identifier?

Yes. CVE-2026-12219 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36692.

When was CVE-2026-12219 published?

CVE-2026-12219 was published on 2026-06-15 and last updated on 2026-06-27.

CVE-2026-12219

CVE-2026-12219 is a medium-severity vulnerability 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-74.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36692
Weakness: CWE-74
Published: 2026-06-15
Last modified: 2026-06-27

Description

A flaw has been found in Yealink SIP-T46U 108.86.0.118. The impacted element is the function mod_diagnose.CommandShellByType of the file /api/diagnosis/start of the component Web FastCGI Service. This manipulation of the argument Time causes command injection. The attack can be initiated remotely. The exploit has been published and may be used. Upgrading to version 108.87.0.23 is sufficient to resolve this issue. It is advisable to upgrade the affected component.

Frequently asked questions

What is CVE-2026-12219?: A flaw has been found in Yealink SIP-T46U 108.86.0.118. The impacted element is the function mod_diagnose.CommandShellByType of the file /api/diagnosis/start of the component Web FastCGI Service. This manipulation of the argument Time causes command injection. The attack can be initiated remotely. The exploit has been published and may be used. Upgrading to version 108.87.0.23 is sufficient to resolve this issue. It is advisable to upgrade the affected component.
How severe is CVE-2026-12219?: CVE-2026-12219 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-2026-12219 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-12219?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-12219 have an EU (EUVD) identifier?: Yes. CVE-2026-12219 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36692.
When was CVE-2026-12219 published?: CVE-2026-12219 was published on 2026-06-15 and last updated on 2026-06-27.

References

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