Vulnerability · Published Oct 5, 2026 · Assigned by VulDB

CVE-2026-105438O2OA General url ActionUploadExcelWithUrl server-side request forgery

Medium 4.3

In plain English

A medium-severity server-side request forgery in O2OA. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.2%top 87.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
n/a	O2OA	10.0.1-ce

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:C

References

VDB-413603 | O2OA General url ActionUploadExcelWithUrl server-side request forgery vdb-entry, technical-description
VDB-413603 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-105438 | CVE Analysis and Report third-party-advisory
Submit #983598 | o2oa <=10.0.1-ce ssrf third-party-advisory
https://github.com/o2oa/o2oa/issues/210 exploit, issue-tracking
https://github.com/o2oa/o2oa/ product