CVE-2026-47063

openjdk: Enhance Jar handling (Oracle CPU 2026-07)

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Severity

Important

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · July 22, 2026

Updated · October 9, 2026

Description

A flaw was found in OpenJDK. There exists a potential existential forgery vulnerability in CMS and protocols which use CMS. In Java, CMS is used to sign JAR files.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CWE-347 · Improper Verification of Cryptographic Signature