Security readout for executives and security teams
Plain-English summary
CVE-2026-0383 affects Brocade Fabric OS and may let a low-privileged local user with Bash shell access read insecurely stored file contents, including command history. This is serious for SAN environments because exposed history or files may reveal operational details or secrets. It is not reported as actively exploited in the provided sources.
Executive priority
Treat as high priority for storage infrastructure. The issue requires local authenticated access, but SAN platforms often hold sensitive operational data. Prioritize version checks and vendor-guided upgrades during the next controlled maintenance window.
Technical view
The CVE describes information disclosure in Brocade Fabric OS before 9.2.1c2, 9.2.2 through 9.2.2a, and 10.0.0. Exploitation requires local access, low privileges, no user interaction, and Bash shell access. CVSS v4.0 is 8.2 High. The source lists CWE-78, though the described impact is file-content disclosure.
Likely exposure
Exposure is limited to organizations running the listed Brocade Fabric OS versions where authenticated local users can access Bash shell. Internet exposure is not the primary issue; privileged storage administration environments and shared operations accounts are more relevant.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. The attack requires an authenticated local attacker with Bash shell privileges, which reduces broad exposure but can matter greatly inside storage networks.
Researcher notes
Evidence is limited to the CVE record and Broadcom advisory reference. Do not assume remote exploitability. Focus validation on affected Fabric OS versions and Bash shell-capable local accounts. The CWE mapping appears potentially inconsistent with the disclosure-focused description.
Mitigation direction
- Identify Brocade switches and record Fabric OS versions.
- Prioritize devices running the listed affected versions.
- Review Broadcom’s advisory for fixed releases and upgrade guidance.
- Restrict Bash shell access to required administrators only.
- Review local accounts and remove unnecessary shell-capable users.
Validation and detection
- Compare installed Fabric OS versions against the affected version ranges.
- Verify whether any local users have Bash shell access.
- Review administrative account usage for unusual local shell activity.
- Check Broadcom advisory for current remediation status.
- Confirm upgraded devices are no longer on affected versions.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-78: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-0383 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.2 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
8.2HighVector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
Source materials
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.