CVE-2026-105438 O2OA General url ActionUploadExcelWithUrl server-side request forgery
Remote attackers can exploit a server-side request forgery vulnerability in the O2OA General Module to access internal resources.
- 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-2026-105438?
CVE-2026-105438 is a medium-severity server-side request forgery vulnerability in O2OA, published on 5 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A flaw has been found in O2OA up to 10.0.1-ce. This affects the function ActionUploadExcelWithUrl of the file /x_general_assemble_control/jaxrs/excel/upload/with/url of the component General Module. Executing a manipulation of the argument fileUrl can lead to server-side request forgery. The attack can be launched remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Weakness: CWE-918
Which versions are affected by CVE-2026-105438?
How do I fix CVE-2026-105438?
No fix has been published for CVE-2026-105438 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-105438 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-105438 exists.
Sources
Also known as GHSA-94mc-96pm-mv7j.