How severe is CVE-2026-6349?

CVE-2026-6349 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-6349 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-6349?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-6349 have an EU (EUVD) identifier?

Yes. CVE-2026-6349 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-23165.

When was CVE-2026-6349 published?

CVE-2026-6349 was published on 2026-04-16 and last updated on 2026-06-17.

CVE-2026-6349

CVE-2026-6349 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. 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-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-23165
Weakness: CWE-78
Published: 2026-04-16
Last modified: 2026-06-17

Description

The iSherlock developed by HGiga has an OS Command Injection vulnerability, allowing unauthenticated local attackers to inject arbitrary OS commands and execute them on the server.

Frequently asked questions

What is CVE-2026-6349?: The iSherlock developed by HGiga has an OS Command Injection vulnerability, allowing unauthenticated local attackers to inject arbitrary OS commands and execute them on the server.
How severe is CVE-2026-6349?: CVE-2026-6349 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-6349 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-6349?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-6349 have an EU (EUVD) identifier?: Yes. CVE-2026-6349 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-23165.
When was CVE-2026-6349 published?: CVE-2026-6349 was published on 2026-04-16 and last updated on 2026-06-17.

References

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