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TI-2018-08418 Aliases CVE-2018-11761GHSA-6jq2-789q-fff2

XML external entity injection in Apache Tika

Priority MEDIUM 45CWE-611Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 8 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-611 and the CVSS impact.

Summary

In Apache Tika 0.1 to 1.18, the XML parsers were not configured to limit entity expansion. They were therefore vulnerable to an entity expansion vulnerability which can lead to a denial of service attack.

Why it matters now

EPSS 0.0938 95th percentileScored 2026-11-07
Fix Partial org.apache.tika:tika-core (Maven): 1.19.1Red Hat: 8 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache Tika0.1 to 1.18—No fix listedCNA
—org.apache.tika:tika-core (Maven)0.1 to before 1.19.11.19.1Patch availableGHSA-6jq2-789q-fff2
  • Apache Tika VendorApache Affected 0.1 to 1.18 Fixed in — No fix listed CNA
  • org.apache.tika:tika-core (Maven) Vendor— Affected 0.1 to before 1.19.1 Fixed in 1.19.1 Patch available GHSA-6jq2-789q-fff2

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:apache:tika:*:*:*:*:*:*:*:*0.1 – 1.18VulnerableApache
cpe:2.3:a:oracle:business_process_management_suite:12.1.3.0.0:*:*:*:*:*:*:*12.1.3.0.0VulnerableOracle
cpe:2.3:a:oracle:business_process_management_suite:12.2.1.3.0:*:*:*:*:*:*:*12.2.1.3.0VulnerableOracle
  • cpe:2.3:a:apache:tika:*:*:*:*:*:*:*:* Versions 0.1 – 1.18 Vulnerable ·Apache
  • cpe:2.3:a:oracle:business_process_management_suite:12.1.3.0.0:*:*:*:*:*:*:* Versions 12.1.3.0.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:business_process_management_suite:12.2.1.3.0:*:*:*:*:*:*:* Versions 12.2.1.3.0 Vulnerable ·Oracle

Remediation

  • Fix · GHSA-6jq2-789q-fff2 org.apache.tika:tika-core (Maven) Fixed in 1.19.1 Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat BPM Suite 6AffectedNo fix planned: Will not fix
Red Hat JBoss BRMS 5AffectedNo fix planned: Will not fix
Red Hat JBoss BRMS 6AffectedNo fix planned: Will not fix
Red Hat JBoss Data Virtualization 6AffectedNo fix planned: Will not fix
Red Hat JBoss Fuse Integration Service 2AffectedNo fix planned: Out of support scope
Red Hat JBoss Fuse Service Works 6AffectedNo fix planned: Will not fix
Red Hat Satellite 5AffectedNo fix planned: Will not fix
Red Hat Software CollectionsAffectedNo fix planned: Will not fix
Not affected: 1 product
  • Red Hat Fuse 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-11761
  2. 2026-10-03 Alias added: GHSA-6jq2-789q-fff2

References

Patch 1

Advisory 2

Other 4

  • 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