Medium 6.9Published Jul 30, 2026

CVE-2026-66756Apache Tika: unpack endpoint in tika-server allows configuration with unsecureFeatures=false

Updated under an hour ago (Oct 27, 2026, 3:10 AM ET)

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It affects Apache Software Foundation Apache Tika and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Apache Software Foundation Apache Tika

Exploited in the last 30 days

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.

CVSS: 6.9 MEDIUM (v4.0, CNA)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
Weakness (CWE): CWE-424
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: apache
NVD analysis: Analyzed
Record last updated: Jul 30, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Apache Software Foundation Apache Tika apache_software_foundation:apache_tika (from the name)	from 4.0.0-alpha-1 before 4.0.0-beta-1	CNA record
apache tika apache:tika	4.0.0; 4.0.0	NVD

References

References

https://lists.apache.org/thread/ynjg5lxwhqpc83pczf5y5561o2l4o568	vendor-advisory, mailing-list
http://www.openwall.com/lists/oss-security/2026/07/30/24	mailing-list, third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.