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 texture URL via the /give command, an...

GHSA-XCFG-FCR5-GW9R 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...

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...