CVE-2026-33613
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 · uneditedDue to the improper neutralisation of special elements used in an OS command, a remote attacker can exploit an RCE vulnerability in the generateSrpArray function, resulting in full system compromise. This vulnerability can only be attacked if the attacker has some other way to write arbitrary data to the user table.
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 confidenceOS command injection vulnerability in the generateSrpArray function allows remote attackers to execute arbitrary OS commands and achieve full system compromise. The attacker requires prior access to write arbitrary data to the user table, which then gets improperly handled in the command execution context.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data<= 2.19.4<= 2.19.4CVSS 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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/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.
-
Identify Mbconnect24 installationLocate the Mbconnect24 or mymbconnect24 installation directory, typically found in web server document roots or application installation paths such as /var/www/, C:\inetpub\, or similar application directoriesAffected if The product is present on the system
-
Determine installed versionCheck the application version by examining version files, about pages, or metadata files within the installation directory, then compare against 2.19.4Affected if The installed version is 2.19.4 or lower
-
Locate generateSrpArray functionSearch the application source code for the generateSrpArray function, typically in PHP, Java, or similar backend files within the application directory structureAffected if The function exists in the codebase and uses OS command execution methods
-
Inspect user table configurationExamine the database configuration and user table schema to determine how user data is stored and whether it interacts with the generateSrpArray functionAffected if User table data is passed to command execution without sanitization
-
Check for indicators of compromiseReview database user table entries for suspicious content, audit logs for unexpected command executions, and web server logs for anomalous generateSrpArray callsAffected if Malicious payloads exist in user records or suspicious command execution patterns are found
If Mbconnect24 or mymbconnect24 is installed with version 2.19.4 or lower and the generateSrpArray function processes user table data through OS command execution, the environment is affected by this vulnerability.
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 strict input validation and sanitization on all data flowing to the generateSrpArray function, preferably using parameterized queries or safe API alternatives instead of raw command construction. Additionally, restrict write access to the user table to prevent the attack prerequisite.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $6,176.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-33613 — 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-2026-33613 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
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data