Incorrect permission assignment for critical resource in S3 File System - CVE-2026-118574
Published: October 30, 2026
Vulnerability identifier: #VU158514
CSH Severity: Medium
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-118574
CWE-ID: CWE-732
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to incorrect permission assignment for critical resource. A remote attacker can cause files to be saved with incorrect S3 access control lists (ACLs) or corrupted metadata.
Affected software
S3 File System
How to mitigate CVE-2026-118574
Install updates from vendor's website.
S3 File System - update to 3.12.0