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Vendor

GeyserMC

2 known vulnerabilities.

GeyserMC at a glance

Last 12 months
1
Critical · all time
0
Exploited · all time
0
Public exploit · all time
0
New vulnerabilities per month · last 12 months
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Products

Geyser 2
All Critical High Medium Low Exploited only Public exploit

2 results · Feed

  • Low 2.4
    CVE-2026-42188

    Geyser: Server-Side Request Forgery (SSRF) via Player Head Texture URL

    Geyser is a bridge between Minecraft: Bedrock Edition and Minecraft: Java Edition. Prior to 2.9.3, a server-side request forgery (SSRF) vulnerability exists in Geyser’s handling of Bedrock player head texture data. By supplying a crafted Base64-encoded skin t…

    GeyserMC Geyser org.geysermc.geyser:core Maven
  • High 7.4
    CVE-2021-39177

    User impersonation due to incorrect handling of the login JWT

    Geyser is a bridge between Minecraft: Bedrock Edition and Minecraft: Java Edition. Versions of Geyser prior to 1.4.2-SNAPSHOT allow anyone that can connect to the server to forge a LoginPacket with manipulated JWT token allowing impersonation as any user. Ver…

    GeyserMC Geyser org.geysermc:connector Maven