CVE-2025-13653: Search Guard FLX 3.1.0 through 4.0.0

CVE-2025-13653. CVSS 3.1 base score 4.3 (MEDIUM, Vendor/CNA). EPSS 0.002 (percentile 0.0912), scored 17-Oct-2026.

Affected technology

Search Guard FLX · 3.1.0 through 4.0.0
floragunn

Description’s affected range: versions from 3.1.0 up to 4.0.0 with enterprise modules being disabled, there exists an issue which

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

Authenticated users can use specially crafted requests to read documents from data streams without having the respective privileges. Vendor/CNA’s CVSS 3.1 assessment (base score 4.3/10) rates confidentiality impact as low; integrity and availability impact as none.

Published 18-Oct-2026 20:24 UTC

CWE: CWE-200, CWE-863
CCR priority: 17.2 /100 (P5)
CVSS 3.1: 4.3 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N · Vendor/CNA
EPSS: 0.002 · percentile 0.0912 · 2026-10-17
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-18 20:23:06.032219+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-13653.html