CVE-2026-13381 VSee Clinic and API Insecure Direct Object Reference in File API Allows Unauthorized File Access and Deletion
An authenticated attacker can manipulate request parameters to access and delete other users' files via the VSee Clinic API.
- 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-2026-13381?
CVE-2026-13381 is a high-severity missing authorization vulnerability in VSee Clinic, published on 20 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
VSee Clinic 7.1.26 and API 1.3.0 contain an Insecure Direct Object Reference (IDOR) vulnerability in the /v1.3.0/api/files endpoint. An authenticated attacker can manipulate the 'remark' request parameter to enumerate, retrieve, and delete files belonging to other users on the application server.
Weakness: CWE-639
Which versions are affected by CVE-2026-13381?
It affects 2 products.
Products include Vsee Clinic, Vsee Clinic Api.
How do I fix CVE-2026-13381?
No fix has been published for CVE-2026-13381 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-13381 being exploited?
There is no known exploitation of CVE-2026-13381 in the wild and no public exploit code.
Other vulnerabilities in VSee Clinic
Sources
Also known as GHSA-5xwg-q2hm-f263.