P4Verified

CVE-2026-31802: cbl2 tar 1.34-3 on CBL Mariner 2.0 (exact versions not specified); +2 more affected products

CVE-2026-31802 affects cbl2 tar 1.34-3 on CBL Mariner 2.0. CVSS 3.1 base score 5.5 (Microsoft Security Response Center). EPSS 0.0019 (percentile 0.0794), scored 08-Oct-2026. Fixed version: 18.11.12-r2. Fixed version: 18.9.8-r8.

Affected technology

cbl2 tar 1.34-3 on CBL Mariner 2.0 · Exact affected versions not specified by the source
Microsoft

gitlab-rails-ce-fips-18.11 · Exact affected versions not specified by the source
Vendor not specified by the source

gitlab-rails-ce-fips-18.9 · Exact affected versions not specified by the source
Vendor not specified by the source

Component: Not specified by the source

Attack conditions (Microsoft Security Response Center, CVSS 3.1): Local · Low privileges required · No user interaction required

What an attacker can do

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

Published 11-Oct-2026 15:06 UTC

Product: cbl2 tar 1.34-3 on CBL Mariner 2.0
CCR priority: 22.0 /100 (P4)
CVSS 3.1: 5.5 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N · Microsoft Security Response Center
EPSS: 0.0019 · percentile 0.07977 · 2026-10-10
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-10 21:26:32.650893+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 2026-10-09 12:25:52.537420+00:00 UTC
OSV.dev · Source record · observed 2026-10-09 12:25:52.537420+00:00 UTC
OSV.dev · Source record · observed 2026-10-09 12:25:52.537420+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-31802.html