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CVE-2026-57267 is a high-severity out-of-bounds read vulnerability in the GeoVision GeoWebPlayer websocket server, also referred to as Web Plugin in GV-VMS documentation and WS Player for VMS-Cloud. GeoWebPlayer is an add-on used with GeoVision products such as GV-VMS and GV-Cloud to extend web interface functionality through a local websocket service. The flaw arises because websocket commands, including the snapshot command, accept an index parameter that is used to access internal arrays and related structures without proper range validation. By supplying an invalid index value, an attacker can cause out-of-bounds array access during command handling, resulting in unintended memory reads and potentially broader memory corruption conditions depending on the affected code path.
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No public exploit code observed for this vulnerability.
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An out-of-bounds read vulnerability in GeoVision products.
An out-of-bounds read vulnerability in the GeoVision GeoWebPlayer websocket server caused by insufficient validation of the 'index' parameter used in websocket commands, allowing out-of-bounds array access.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.