CVE-2026-16743

Accountsservice: accountsservice: arbitrary file read via seticonfile for systemd-homed users

Published Jul 24, 2026 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Workaround

Avoid using systemd-homed-managed accounts on systems running a vulnerable accountsservice build.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
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.
Title Accountsservice: accountsservice: arbitrary file read via seticonfile for systemd-homed users
First Time appeared Redhat
Redhat enterprise Linux
Weaknesses CWE-269
CPEs cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 27, 2026, 7:31 AM
Reserved
Jul 23, 2026, 10:03 AM
Status
Awaiting Analysis
Published
Jul 24, 2026, 1:17 PM
Modified
Jul 24, 2026, 8:49 PM
Severity
Moderate
Public date
Jul 23, 2026, 12:00 AM