CVE-2026-15527 better-auth better-icons scan_project_icons/sync_icon path traversal
A local attacker can exploit path traversal in better-auth better-icons to read or modify arbitrary files via the icons_file argument.
- 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-2026-15527?
CVE-2026-15527 is a medium-severity path traversal vulnerability in better-auth better-icons, published on 13 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability has been found in better-auth better-icons up to 1.0.5. This vulnerability affects unknown code of the component scan_project_icons/sync_icon. Such manipulation of the argument icons_file leads to path traversal. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Weakness: CWE-22
Which versions are affected by CVE-2026-15527?
How do I fix CVE-2026-15527?
No fix has been published for CVE-2026-15527 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-2026-15527 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15527 exists.
Sources
Also known as GHSA-2gq8-477v-cpgh.