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GE
Product
Geyser
by GeyserMC · last CVE May 11, 2026
2
CVEs
0
On KEV
9.8
Max CVSS
0
New 30D
Vulnerabilities2In the news0Timeline
Severity mix
Critical 1High 0Medium 1Low 0
Severity
All severities2Critical1High0Medium1Low0
Exploitation
On CISA KEV0Exploited in the wild0
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Add Geyser to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2021-39177
9.8
1%
Aug 30
Geyser is a bridge between Minecraft: Bedrock Edition and Minecraft: Java Edition
Affected: before 1.4.2
CVE-2026-42188
4.3
0%
May 11
Geyser: Server-Side Request Forgery (SSRF) via Player Head Texture URL
Affected: < 2.9.3
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