CVE-2025-68390: cbl2 rubygem-elasticsearch 8.3.0-1 on CBL Mariner 2.0 (exact versions not specified)

CVE-2025-68390 affects cbl2 rubygem-elasticsearch 8.3.0-1 on CBL Mariner 2.0. CVSS 3.1 base score 4.9 (Microsoft Security Response Center). EPSS 0.00378 (percentile 0.30591), scored 24-Oct-2026. Fixed version: e34ace04b64e9bfa3f9e785b08e6d81f8efe314b. Fixed version: 50f58de526b746a6cc07f0cbec0e0d510f13ce52. Fixed version: ed771e6976fac1a085affabd45433234a4babeaf.

Affected technology

cbl2 rubygem-elasticsearch 8.3.0-1 on CBL Mariner 2.0 · Exact affected versions not specified by the source
Microsoft

Component: Not specified by the source

Attack conditions (Microsoft Security Response Center, CVSS 3.1): Network (remote) · High privileges required · No user interaction required

What an attacker can do

Microsoft Security Response Center’s CVSS 3.1 assessment rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 25-Oct-2026 00:59 UTC

Product: cbl2 rubygem-elasticsearch 8.3.0-1 on CBL Mariner 2.0
CCR priority: 19.7 /100 (P5)
CVSS 3.1: 4.9 /10 · CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H · Microsoft Security Response Center
EPSS: 0.00378 · percentile 0.30591 · 2026-10-24
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-24 15:09:16.138216+00:00 UTC
Microsoft MSRC Security Update Guide (CVRF) · Source record · observed 2026-10-04 07:08:49.022374+00:00 UTC
OSV.dev · Source record · observed 2026-10-24 16:38:25.544256+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-68390.html