CVE-2026-66756
CRITICALCVSS 9.8/10EPSS 0.32%
Last modified
CVE-2026-66756 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Apache | Tika | 4.0.0 | Alpha1 |
References
- https://lists.apache.org/thread/ynjg5lxwhqpc83pczf5y5561o2l4o568Mailing List, Vendor Advisory
- https://www.openwall.com/lists/oss-security/2026/07/30/24Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-66756?
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.
How severe is CVE-2026-66756?
CVE-2026-66756 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.
How do I fix CVE-2026-66756?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2026-66756?
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