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TI-2026-47404 Aliases CVE-2026-66756GHSA-6m77-jgxr-wx9c

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

Priority LOW 38CWE-424Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00746 55th percentileScored 2026-11-07
Fix Fixed Apache Tika (Apache Software Foundation): 4.0.0-beta-1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache Tika4.0.0-alpha-1 to before 4.0.0-beta-14.0.0-beta-1Patch availableCNA
  • Apache Tika VendorApache Affected 4.0.0-alpha-1 to before 4.0.0-beta-1 Fixed in 4.0.0-beta-1 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:apache:tika:4.0.0:alpha1:*:*:*:*:*:*4.0.0 alpha1VulnerableApache
cpe:2.3:a:apache:tika:4.0.0:beta1-rc1:*:*:*:*:*:*4.0.0 beta1-rc1VulnerableApache
  • cpe:2.3:a:apache:tika:4.0.0:alpha1:*:*:*:*:*:* Versions 4.0.0 alpha1 Vulnerable ·Apache
  • cpe:2.3:a:apache:tika:4.0.0:beta1-rc1:*:*:*:*:*:* Versions 4.0.0 beta1-rc1 Vulnerable ·Apache

Remediation

  • Fix · CNA Apache Tika (Apache Software Foundation) Fixed in 4.0.0-beta-1

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-66756
  2. 2026-10-03 Alias added: GHSA-6m77-jgxr-wx9c
  3. 2026-11-06 Affected versions changed · Red Hat
  4. 2026-11-06 CVSS score added · Red Hat

References

Advisory 2

  • TI-2025-40938 XML external entity injection in Apache Tika core CVSS 3.1CRITICAL 9.8
  • TI-2018-01236 From Apache Tika versions 1.7 to 1.17, clients could send carefully crafted headers to… CVSS 3.0HIGH 8.1
  • TI-2025-34694 Apache Tika PDF parser module: XXE vulnerability in PDFParser's handling of XFA CVSS 3.1CRITICAL 9.8
  • TI-2016-05850 Apache Tika before 1.14 allows Java code execution for serialized objects embedded in… CVSS 3.1CRITICAL 9.8
  • TI-2021-13169 An XXE issue in SAXBuilder in JDOM through 2.0.6 allows attackers to cause a denial of… CVSS 3.1HIGH 7.5
  • TI-2019-07413 Resource allocation without limits in Apache Tika CVSS 3.0HIGH 8.8
See all 26 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences