Improper Enforcement of Field-Level Security in Search Guard FLX by Red Hat
CVE-2025-12147

6MEDIUM

Key Information:

Vendor

Floragunn

Status
Search Guard Flx
Vendor
CVE Published:
29 October 2025

What is CVE-2025-12147?

In Search Guard FLX versions 3.1.1 and earlier, Field-Level Security (FLS) rules are not adequately enforced on object-valued fields. While FLS exclusion rules remove objects from the _source during search operations, the child attributes of these objects remain exposed and accessible to search queries. This vulnerability can enable attackers to deduce or reconstruct original data from excluded objects, posing a significant security risk. It is advised that users applying FLS exclusion rules for object attributes implement additional exclusion rules for the object members to mitigate this issue.

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Affected Version(s)

Search Guard FLX 1.0.0 <= 3.1.1

References

https://search-guard.com/cve-advisory/
https://docs.search-guard.com/latest/changelog-searchguar...

CVSS V4

Score:
6
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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