SSRF in O2oa
CVE-2026-105438
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.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- O2oa — versions 10.0.1-ce
Weakness classification (CWE)
References
- github.com/o2oa/o2oa/ (product)
- github.com/o2oa/o2oa/issues/210 (issue-tracking, exploit)
- vuldb.com/cve/CVE-2026-105438 (third-party-advisory)
- vuldb.com/submit/983598 (third-party-advisory)
- vuldb.com/vuln/413603 (technical-description, vdb-entry)
- vuldb.com/vuln/413603/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-105438?
- CVE-2026-105438 is a medium-severity vulnerability in O2oa, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.3/10. Published 2026-10-05.
- How severe is CVE-2026-105438?
- Medium severity. CVSS v3 base score is 4.3 out of 10.