Paper/Archive/CVE-2026-66756

CVE-2026-66756

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

EPSS 0.7%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (NVD)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 54.7.547 × 2010.9 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

Apache Tika4.0.0-alpha-1 – < 4.0.0-beta-14.0.0-beta-1CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

apache (CNA)6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial

References

advisorylists.apache.org/thread/ynjg5lxwhqpc83pczf5y5561o2l4o568 refopenwall.com/lists/oss-security/2026/07/30/24