Arbitrary file upload in Mjperpinosa Stumasy
CVE-2026-10806
A vulnerability was found in mjperpinosa stumasy. The affected element is an unknown function of the file application/PHP/objects/updates/add_post.php. Performing a manipulation of the argument up_file_to_post results in unrestricted upload. The attack may be initiated remotely. The exploit has been made public and could be used. This product uses a rolling release model to deliver continuous updates. As a result, specific version information for affected or updated releases is not available. The project was informed of the problem early through an issue report but has not responded yet.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.002 (10.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Mjperpinosa Stumasy — versions 25d695901fbb586bf184b8ba73456d8e5311656c, 79c86fce86a09adc6edcbd6d56115fbff14ed538, 327d1b0f2915ba79d7ef8ebb74553e987609d9be
Weakness classification (CWE)
References
- vuldb.com/vuln/368254 (technical-description, vdb-entry)
- vuldb.com/vuln/368254/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-10806 (third-party-advisory)
- vuldb.com/submit/831510 (third-party-advisory)
- github.com/mjperpinosa/stumasy/issues/1 (issue-tracking, exploit)
- github.com/mjperpinosa/stumasy/ (product)
Frequently asked questions
- What is CVE-2026-10806?
- CVE-2026-10806 is a medium-severity vulnerability in Mjperpinosa Stumasy, classified under Improper Access Control. CVSS score: 6.3/10. Published 2026-06-04.
- How severe is CVE-2026-10806?
- Medium severity. CVSS v3 base score is 6.3 out of 10.