PT-2026-56902 · H2+1 · H2+1

CVE-2026-59827

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Published

2026-05-16

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Updated

2026-09-04

CVSS v3.1

9.9

Critical

VectorAV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Metabase versions prior to 1.58.15 Metabase versions prior to 1.59.12 Metabase versions prior to 1.60.6.3 Metabase versions prior to 1.61.1.4
Description Metabase instances using an H2 database connection, including the default sample database, fail to validate the deserialization of arbitrary Java objects returned in H2 native query result columns of type OTHER. This allows an authenticated user with permissions to execute native H2 queries to perform remote code execution on the server.
Recommendations Update to version 1.58.15 Update to version 1.59.12 Update to version 1.60.6.3 Update to version 1.61.1.4

Exploit

Fix

DoS

RCE

Deserialization of Untrusted Data

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Weakness Enumeration

Related Identifiers

BDU:2026-10663
CVE-2026-59827
GHSA-W95F-X9V9-WV36

Affected Products

H2
Metabase