Geyser Vulnerable to Server-Side Request Forgery (SSRF) via Player Head Texture URL in Geyser

Summary 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 texture URL via the /give command, an attacker can cause the Minecraft server to issue arbitrary HTTP GET requests to...

PT-2026-37252

Name of the Vulnerable Software and Affected Versions Geyser versions prior to 2.9.3 Description A server-side request forgery SSRF exists in the handling of Bedrock player head texture data. By supplying a crafted Base64-encoded skin texture URL via the '/give' command, an attacker can cause the...