CVE-2026-16743 Accountsservice: accountsservice: arbitrary file read via seticonfile for systemd-homed users
A local attacker with a systemd-homed account can read arbitrary files via the SetIconFile function in accountsservice due to missing privilege drops.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-16743?
CVE-2026-16743 is a medium-severity path traversal vulnerability in Red Hat Enterprise Linux 10, published on 24 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw was found in accountsservice. The systemd-homed code path for SetIconFile opens a user-supplied filename as root without the validation and privilege drop performed by the classic handler. A local attacker with a systemd-homed-managed account can read arbitrary files accessible to the accounts-daemon process.
Weakness: CWE-269
Which versions are affected by CVE-2026-16743?
How do I fix CVE-2026-16743?
No fix has been published for CVE-2026-16743 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-16743 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-16743 exists.
Sources
Also known as AZL-94088, GHSA-8pfc-rrr8-7cjh.