P4Verified

CVE-2026-40034: gitoxide 0 to before 0.5.21; +2 more affected products

CVE-2026-40034. CVSS 3.1 base score 7.8 (HIGH, Vendor/CNA). EPSS 0.00359 (percentile 0.27522), scored 2026-10-06.

Affected technology

gitoxide · 0 to before 0.5.21
gitoxide

gix-submodule · 0 to before 0.29.0
gitoxide

gix · 0 to before 0.84.0
gitoxide

Description’s affected range: before 0.29.0 (gitoxide before 0.5.21

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Local · No privileges required · Passive user interaction

What an attacker can do

An attacker can inject arbitrary shell commands via the update field in .gitmodules that will be executed when Submodule::update() is called on a previously-initialized submodule, enabling remote code execution. Vendor/CNA’s CVSS 4.0 assessment (base score 8.5/10) rates confidentiality, integrity and availability impact as high.

Published 2026-10-08 17:34:50.211181+00:00

CWE: CWE-77
CCR priority: 31.3 /100 (P4)
CVSS 3.1: 7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H · Vendor/CNA
EPSS: 0.00359 · percentile 0.27629 · 2026-10-08
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-08 17:36:22.845483+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-08 17:32:11.049884+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-40034.html