CVE-2025-12341 ermig1979 AntiDupl Delete Duplicate Image AntiDupl.NET.WinForms.exe link following
Local attackers can exploit link following in AntiDupl to modify files or escalate privileges via the duplicate image deletion handler.
- 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-2025-12341?
CVE-2025-12341 is a high-severity path traversal vulnerability in ermig1979 AntiDupl, published on 28 Oct 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability was detected in ermig1979 AntiDupl up to 2.3.12. Impacted is an unknown function of the file AntiDupl.NET.WinForms.exe of the component Delete Duplicate Image Handler. The manipulation results in link following. The attack is only possible with local access. The vendor was contacted early about this disclosure but did not respond in any way.
Weakness: CWE-59
Which versions are affected by CVE-2025-12341?
How do I fix CVE-2025-12341?
No fix has been published for CVE-2025-12341 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-2025-12341 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-12341 exists.
Sources
Also known as GHSA-59pm-697w-v8v8.