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CVE-2025-13653

Unauthorized access to documents in data streams with specially crafted requests

MEDIUM
4.3
CVSS Score
Published: December 1, 2025 at 06:02 PM UTC
Updated: October 18, 2026 at 08:10 PM UTC
1 product affected across 1 vendorSearch Guard FLX

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In Search Guard FLX versions from 3.1.0 up to 4.0.0 with enterprise modules being disabled, there exists an issue which allows authenticated users to use specially crafted requests to read documents from data streams without having the respective privileges.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Search Guard FLX· Floragunn
90%
3.1.0 ≤ v ≤ 4.0.03.1.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Source: cverecord
https://search-guard.com/cve-advisory/
Source: cverecord
https://docs.search-guard.com/latest/changelog-searchguard-flx-4_0_1

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMfloragunn
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-200CWE-863

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