High severity8.1NVD Advisory· Published Nov 10, 2026
CVE-2026-125358
CVE-2026-125358
Description
Universal-modder before commit e88f6876745427321eb755ebc98276063a962d8a contains a missing WebSocket Origin validation vulnerability in the HostLink class of its passthrough example mods that allows remote attackers to execute Minecraft commands. Any web page open in the player's browser can connect cross-site to the unauthenticated loopback WebSocket and send cmd messages that WorldBridge.command() runs with operator authority.
Affected products
1- Range: <e88f6876745427321eb755ebc98276063a962d8a
Patches
Vulnerability mechanics
References
4- github.com/rehan-remade/universal-modder/blob/edf45f6a26cb047886d9d7bcba392c328fc3d317/examples/minecraft-gta5-passthrough/mc/src/client/java/dev/rehan/passthrough/client/HostLink.javanvd
- github.com/rehan-remade/universal-modder/commit/e88f6876745427321eb755ebc98276063a962d8anvd
- github.com/rehan-remade/universal-modder/security/advisories/GHSA-wjf6-3h6v-4gq9nvd
- www.vulncheck.com/advisories/universal-modder-before-e88f687-cross-site-websocket-command-execution-via-hostlinknvd
News mentions
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