CVE-2026-40823
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 · uneditedA high privileged remote attacker can exploit an unauthenticated SQL Injection vulnerability in the DevSerialReset function due to improper neutralization of special elements in a SQL UPDATE command allowing for reading the whole database and changing values in a non critical table. This can result in a total loss of confidentiality and some loss of integrity.
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 · moderate confidenceSQL injection vulnerability in the DevSerialReset function allows a high-privileged remote attacker to inject malicious SQL via improper neutralization of special elements in a SQL UPDATE command. This enables reading the entire database (complete loss of confidentiality) and modifying values in a non-critical table (partial integrity loss).
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
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N
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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Locate the DevSerialReset functionSearch your application source code or binary for the function named 'DevSerialReset' to confirm this component exists in your deploymentAffected if The function is present in your codebase
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Verify function exposureDetermine if DevSerialReset is accessible via an API endpoint, web interface, or other external interface by reviewing routing configuration and access controlsAffected if The function is exposed to network callers or remote invocation
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Examine SQL query construction in DevSerialResetReview the DevSerialReset function source code to identify if SQL UPDATE commands are built using string concatenation or dynamic SQL rather than parameterized queries or prepared statementsAffected if The function constructs SQL queries through string concatenation without proper parameterization
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Check database user privilegesReview the database account credentials used by the application to determine if it has excessive privileges beyond what the function requires for its operationsAffected if Database user has broader permissions than necessary (e.g., SELECT on all tables when only specific tables are needed)
Your environment is affected if the DevSerialReset function exists, is remotely accessible, and builds SQL queries via string concatenation without parameterized queries.
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 dataImplement parameterized queries or prepared statements in the DevSerialReset function to properly neutralize special SQL characters. Apply principle of least privilege to database accounts and conduct code review to identify similar injection patterns elsewhere.
- Consultation8.0 h
- Implementation16.0 h
- Testing12.0 h
- Review / QA8.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $12,352.
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Free · runs locallyCheck whether your project pulls in CVE-2026-40823 — 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-2026-40823 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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- Version or environment caveats, and links to real fixes
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