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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.

PUBLISHED Reserved 2026-05-16 | Published 2026-05-17 | Updated 2026-05-18 | Assigner VulDB




MEDIUM: 6.9CVSS: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
MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
MEDIUM: 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
5.0AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:UR

Problem types

Improper Access Controls

Incorrect Privilege Assignment

Product status

7402
affected

Timeline

2026-05-16:Advisory disclosed
2026-05-16:VulDB entry created
2026-05-16:VulDB entry last update

Credits

vulnplusbot (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/364379 (VDB-364379 | h2oai h2o-3 Rapids setproperty Primitive AstSetProperty.java exec access control) vdb-entry technical-description

vuldb.com/vuln/364379/cti (VDB-364379 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/810108 (Submit #810108 | H2O-3 latest pre-auth logic flaw) third-party-advisory

vulnplus-note.wetolink.com/share/pyVa0GWPuAZE exploit

cve.org (CVE-2026-8752)

nvd.nist.gov (CVE-2026-8752)

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