CVE-2026-8752 MEDIUM

CVE-2026-8752: h2oai h2o-3 Rapids setproperty Primitive AstSetProperty.java exec access control

Vendor H2Oai
Product h2o-3
Weakness CWE-284
Published May 17, 2026
Last update May 18, 2026

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

What the vulnerability does

Description

A weakness has been identified in h2oai h2o-3 up to 7402. This vulnerability affects the function exec of the file h2o-core/src/main/java/water/rapids/ast/prims/misc/AstSetProperty.java of the component Rapids setproperty Primitive Handler. Executing a manipulation can lead to improper access controls. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Key dates

Disclosure timeline

May 17, 2026 CVE published
May 18, 2026 Record updated