Auth bypass in Floragunn Search Guard Flx

CVE-2025-13653

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 res…

Vulnerability class: Information Disclosure

EPSS: 0.000 (9.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-13653?
CVE-2025-13653 is a medium-severity vulnerability in Floragunn Search Guard Flx, classified under Information Disclosure. CVSS score: 4.3/10. Published 2025-12-01.
How severe is CVE-2025-13653?
Medium severity. CVSS v3 base score is 4.3 out of 10.