CVE-2026-103398 OpenSave through 2.4.0 Arbitrary File Read and Write via Peer-Controlled Save Path
Attackers can read and write arbitrary files by manipulating save paths in OpenSave, potentially compromising system integrity and data confidentiality.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-103398?
CVE-2026-103398 is a high-severity path traversal vulnerability in Liquid-co OpenSave, published on 30 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
OpenSave through 2.4.0 fails to properly validate save paths supplied by paired peers in the manifest request handler. Attackers can specify arbitrary directories outside configured save locations to read and write files through manifest and sync routes.
Weakness: CWE-73
Which versions are affected by CVE-2026-103398?
How do I fix CVE-2026-103398?
No fix has been published for CVE-2026-103398 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-2026-103398 being exploited?
There is no known exploitation of CVE-2026-103398 in the wild and no public exploit code.
Sources
Also known as GHSA-x83p-5c62-2g52.