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CVE-2026-57266 is a high-severity out-of-bounds read vulnerability in the GeoVision GeoWebPlayer Websocket Server, an addon component used by GeoVision products such as GV-VMS and GV-Cloud and also referred to as Web Plugin or WS Player. The websocket server accepts commands from localhost to extend web interface functionality. In the vulnerable implementation, commands including the 2wayAudio operation accept an index parameter that is used to access internal arrays, enter critical sections, and drive subsequent function calls without proper bounds validation. Because the index is not adequately checked to ensure it falls within the valid range, a crafted value can cause out-of-bounds array access and unintended memory reads.
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What an attacker gets, and what they’ve been doing with it.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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 an index parameter used to access arrays.
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.