How severe is CVE-2026-0383?

CVE-2026-0383 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-0383 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-0383?

CVE-2026-0383 primarily affects Broadcom Fabric Operating System. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-0383?

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-2026-0383 have an EU (EUVD) identifier?

Yes. CVE-2026-0383 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5262.

When was CVE-2026-0383 published?

CVE-2026-0383 was published on 2026-02-03 and last updated on 2026-06-17.

CVE-2026-0383

CVE-2026-0383 is a high-severity vulnerability in Broadcom Fabric Operating System with a CVSS 3.x base score of 7.8. 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: High (CVSS 3.x base score 7.8)
CVSS v4: 8.2
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-5262
Weakness: CWE-78
Affected product: Broadcom Fabric Operating System
Published: 2026-02-03
Last modified: 2026-06-17

Description

A vulnerability in Brocade Fabric OS could allow an authenticated, local attacker with privileges to access the Bash shell to access insecurely stored file contents including the history command.

Frequently asked questions

What is CVE-2026-0383?: A vulnerability in Brocade Fabric OS could allow an authenticated, local attacker with privileges to access the Bash shell to access insecurely stored file contents including the history command.
How severe is CVE-2026-0383?: CVE-2026-0383 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-0383 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-0383?: CVE-2026-0383 primarily affects Broadcom Fabric Operating System. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-0383?: 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-2026-0383 have an EU (EUVD) identifier?: Yes. CVE-2026-0383 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5262.
When was CVE-2026-0383 published?: CVE-2026-0383 was published on 2026-02-03 and last updated on 2026-06-17.

References

https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/36851

Affected products (2)

cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:fabric_operating_system:10.0.0:*:*:*:*:*:*:*

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