CVE-2026-66756

Critical

Description

Improper Protection of Alternate Path vulnerability in Apache Tika. This issue affects Apache Tika: from 4.0.0-alpha-1 before 4.0.0-beta-1. Users are recommended to upgrade to version 4.0.0-beta-1, which fixes the issue.

SeverityCritical

CVSS9.8

Exploit probability—

Product

Apache Tika

PublishedJul 30, 2026

First seenJul 30, 2026

Weakness typeCWE-424CWE-424

How to fix

Vendor advisories

lists.apache.org/thread/ynjg5lxwhqpc83pczf5y5561o2l4o568

Affected products

Product	Affected versions	Fixed in
apache tika	4.0.0	—

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