CVE-2026-66756

Apache Tika: unpack endpoint in tika-server allows configuration with unsecureFeatures=false

State: Published
Severity: 6.9 Medium
Published: Jul 30, 2026
Updated: Jul 30, 2026
Reserved: Jul 27, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N	apache

Weaknesses

CWE-424 Improper Protection of Alternate Path

Affected Products

Product	Versions
Apache TikaApache Software Foundation	4.0.0-alpha-1 to before 4.0.0-beta-1Affected

References

https://lists.apache.org/thread/ynjg5lxwhqpc83pczf5y5561o2l4o568vendor-advisory
http://www.openwall.com/lists/oss-security/2026/07/30/24

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