CVEvulnerability
CVE-2026-12080
7.3 HIGH
Official page ↗
- Status
- Awaiting Analysis
- Published
- 2026-07-20
- Last modified
- 2026-10-22
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.3 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-61
Description
A flaw was found in the QEMU Guest Agent (qga). A local unprivileged user can exploit a vulnerability in the guest-ssh-add-authorized-keys command handler by manipulating symbolic links. This can occur either through a deterministic directory-symlink bypass or a Time-of-Check to Time-of-Use (TOCTOU) file-symlink race. Successful exploitation allows the attacker to gain ownership of arbitrary root-owned files or directories, leading to root access. This vulnerability requires an external management layer (e.g., libvirt) to trigger the affected code path.
Related
Weakness · CWE (1)
- CWE-61 UNIX Symbolic Link (Symlink) Following weakness
References
- https://access.redhat.com/errata/RHSA-2026:88421 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2026-12080 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2499603 bugzilla.redhat.com
- https://gitlab.com/qemu-project/qemu/-/work_items/3929 gitlab.com