CVE-2026-86469: Red Hat Enterprise Linux 10

Medium severity, CVSS 5.3. EPSS: 0.1% chance of exploitation in the next 30 days.

A flaw was found in GLib2. When g_file_replace() is used with G_FILE_CREATE_REPLACE_DESTINATION and creating the .goutputstream-XXXXXX temporary file fails, the library unlinks the destination and recreates it without exclusive creation or symlink protection. A local attacker who can write to the destination directory can win that race and redirect the write to another file.

Affected products

• Red Hat Red Hat Enterprise Linux 10
• Red Hat Red Hat Enterprise Linux 6
• Red Hat Red Hat Enterprise Linux 7
• Red Hat Red Hat Enterprise Linux 8
• Red Hat Red Hat Enterprise Linux 9
• Red Hat Red Hat Hardened Images
• Red Hat Red Hat Openshift Container Platform 4

Published 2026-09-07. Last modified 2026-09-08.