CVEvulnerability
CVE-2026-86469
5.3 MEDIUM
Official page ↗
- Status
- Awaiting Analysis
- Published
- 2026-09-07
- Last modified
- 2026-09-08
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L
- Weaknesses
- CWE-59
Description
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.
Related
Weakness · CWE (1)
- CWE-59 Improper Link Resolution Before File Access weakness
References
- https://access.redhat.com/security/cve/CVE-2026-86469 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2473839 bugzilla.redhat.com
- https://gitlab.gnome.org/GNOME/glib/-/blob/main/gio/glocalfileoutputstream.c gitlab.gnome.org
- https://gitlab.gnome.org/GNOME/glib/-/work_items/4044 gitlab.gnome.org
- https://gitlab.gnome.org/GNOME/glib/-/work_items/4044 gitlab.gnome.org