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TI-2026-04203 Aliases CVE-2026-4819GHSA-vx77-83rf-gfvg

Search Guard audit logs can contain under certain conditions user credentials

Priority LOW 28CWE-522Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-522.

Summary

In Search Guard FLX versions from 1.0.0 up to 4.0.1, the audit logging feature might log user credentials from users logging into Kibana.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0022 12th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
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
floragunnSearch Guard FLX1.0.0 – 4.0.1—No fix listedCNA
  • Search Guard FLX Vendorfloragunn Affected 1.0.0 – 4.0.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:search-guard:flx:*:*:*:*:*:*:*:*1.0.0 to before 4.1.0Vulnerablefloragunn
  • cpe:2.3:a:search-guard:flx:*:*:*:*:*:*:*:* Versions 1.0.0 to before 4.1.0 Vulnerable ·floragunn

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-4819
  2. 2026-10-03 Alias added: GHSA-vx77-83rf-gfvg

References

Advisory 1

Other 1

  • TI-2026-04202 Some management operations on data streams are not properly restricted when user does not have the necessary privileges CVSS 3.1HIGH 8.1
  • TI-2026-04184 Open redirect vulnerability in Search Guard Kibana Plugin via manipulated requests CVSS 3.1MEDIUM 4.3

Sources

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