CVE-2026-57272
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 · uneditedGeoWebPlayer (also called "Web Plugin" in the GV-VMS documentation and "WS Player" for VMS-Cloud) is an addon that can be installed with various GeoVision software (GV-VMS, GV-Cloud, ...). It creates a websocket server that expands the capabilities of the various web-interfaces provided by the GeoVision software and may be necessary for them to function properly. The Websocket server can accept various commands coming from localhost. Many of the commands will take an `index` value that is then used to access various arrays to enter critical sections, perform various actions via function calls, etc. However the `index` value is usually not checked for valid range, and as such it can be used to access multiple arrays out-of-bound. #### byPass command index-out-of-bound
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 confidenceGeoWebPlayer's websocket server accepts commands with an unvalidated 'index' parameter used to access arrays. Without bounds checking, an attacker can supply an out-of-range index to access memory outside array boundaries, potentially reaching critical sections and triggering arbitrary function calls.
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
- High
- Privileges
- None
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/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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Verify GeoWebPlayer is installedSearch for GeoWebPlayer executable or service on the system. Common locations: /usr/bin/, /usr/local/bin/, or check system services. On Windows, check Program Files directories.Affected if GeoWebPlayer application is found on the system
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Determine installed GeoWebPlayer versionRun 'geowebplayer --version' or check the application's About/Version information. If installed as a service, check the service properties.Affected if Version is unknown, unpatched, or within any vulnerable range provided by the vendor
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Confirm websocket server is runningCheck if the GeoWebPlayer websocket server process is active. Use commands like 'ps aux | grep -i geowebplayer' on Linux or check services on Windows. Also check open ports (typically 8080 or similar) with 'netstat -an | grep LISTEN'.Affected if The websocket server process is running and listening on a network port
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Verify websocket server bindingCheck the configuration files or running process to determine if the websocket server binds to localhost only or is accessible over the network. Review configuration files in the GeoWebPlayer install directory.Affected if The websocket server binds to all interfaces (0.0.0.0) rather than localhost only, making it accessible remotely
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Review logs for anomalous websocket commandsExamine GeoWebPlayer server logs for websocket commands containing unusual or out-of-range index parameter values. Look for error messages related to array access or memory operations.Affected if Logs show websocket commands with malformed index values or out-of-bounds access attempts
A user is affected if GeoWebPlayer with a vulnerable version is installed and its websocket server is running and accessible (especially if not restricted to localhost only).
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 dataApply vendor patch when available; until then, restrict local access to the websocket server and monitor for anomalous index values in logs.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA3.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-57272 — 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-2026-57272 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
- No weaponised exploit code, or anything meant to cause harm
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