CVE-2026-56415
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedStorage Concentrator (SC & SCVM) contains a command injection vulnerability within the debug.pl script that is reachable without authentication. A remote attacker can submit a specially crafted HTTP request containing a malicious payload that is processed without adequate input sanitization, resulting in arbitrary command execution with root-level privileges on the underlying system.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceStorage Concentrator (SC & SCVM) has a command injection vulnerability in the debug.pl script that is exposed via HTTP without any authentication. Attackers can send malicious payloads in HTTP requests that get executed by the underlying system with root privileges.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify Storage Concentrator installationCheck if the system is running Storage Concentrator (SC or SCVM) by looking for the product's service processes, configuration files, or running 'ls /opt/SC*' or similar product-specific directories. Check running processes for SC-related daemons.Affected if The system is running Storage Concentrator (SC or SCVM) software.
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Locate the debug.pl scriptSearch for debug.pl in common web directories: 'find / -name debug.pl 2>/dev/null' or check typical web root paths like /var/www/cgi-bin/, /usr/local/apache/cgi-bin/, or within the SC application web directory.Affected if The debug.pl script exists on the system.
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Verify script accessibilityCheck if the debug.pl script is accessible via HTTP/HTTPS by attempting to access it directly (e.g., curl http://localhost/cgi-bin/debug.pl or the actual web path). Review web server configuration files to confirm the script is exposed.Affected if The debug.pl script is reachable over the network without authentication.
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Check authentication requirementsExamine the web server configuration or .htaccess files protecting the debug.pl script. Attempt an unauthenticated request to the script and inspect whether authentication is enforced.Affected if The debug.pl script can be accessed without any authentication.
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Inspect script for input validationRead the debug.pl file content: 'cat /path/to/debug.pl' and search for system calls (exec, system, qx, backticks), parameter handling (param, $VAR), and whether input sanitization functions are present.Affected if The script contains unsanitized system calls using user-supplied parameters.
A system is affected if it runs Storage Concentrator (SC/SCVM) and the debug.pl script is network-accessible without authentication and contains unsanitized system command execution.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataImmediately restrict network access to the management interface or disable the debug.pl script until a vendor patch can be applied. Implement input validation and web application firewall rules as an interim control.
- Consultation6.0 h
- Implementation12.0 h
- Testing8.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-56415 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2026-56415 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
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