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TI-2016-09350 Aliases CVE-2016-1000221GHSA-vcmm-ppqx-95ch

Logstash prior to version 2.3.4, Elasticsearch Output plugin would log to file HTTP…

Priority LOW 36CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-200.

Summary

Logstash prior to version 2.3.4, Elasticsearch Output plugin would log to file HTTP authorization headers which could contain sensitive information.

Why it matters now

EPSS 0.01782 78th percentileScored 2026-11-07
Fix Fixed logstash-core (RubyGems): 2.3.4

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—logstash-core (RubyGems)before 2.3.42.3.4Patch availableGHSA-vcmm-ppqx-95ch
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • logstash-core (RubyGems) Vendor— Affected before 2.3.4 Fixed in 2.3.4 Patch available GHSA-vcmm-ppqx-95ch

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:elastic:logstash:*:*:*:*:*:*:*:*up to 2.3.3VulnerableElastic
  • cpe:2.3:a:elastic:logstash:*:*:*:*:*:*:*:* Versions up to 2.3.3 Vulnerable ·Elastic

Remediation

  • Fix · GHSA-vcmm-ppqx-95ch logstash-core (RubyGems) Fixed in 2.3.4 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-1000221
  2. 2026-10-03 Alias added: GHSA-vcmm-ppqx-95ch

References

Advisory 2

Other 3

  • TI-2019-05366 Information disclosure through error messages in Elastic Logstash CVSS 3.1CRITICAL 9.8
  • TI-2026-25862 Improper Limitation of a Pathname to a Restricted Directory in Logstash Leading to Arbitrary File Write CVSS 3.1CRITICAL 9.8
  • TI-2014-03539 Elasticsearch Logstash 1.0.14 through 1.4.x before 1.4.2 allows remote attackers to… CVSS 2.0HIGH 7.5
  • TI-2015-04531 Logstash 1.5.x before 1.5.3 and 1.4.x before 1.4.4 allows remote attackers to read… CVSS 3.0HIGH 7.5
  • TI-2019-05374 Uncontrolled resource consumption in Elastic Logstash CVSS 3.1HIGH 7.5
  • TI-2023-25173 Logstash Insertion of Sensitive Information into Log File CVSS 3.1HIGH 8.4
See all 12 →

Sources

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