CVE-2026-117469
CVE-2026-117469
Psono Server (CE & EE) versions 1.0.0 through 7.2.3 did not enforce the direction of file-transfer credentials on file-repository operations. An authenticated remote attacker with read-only access to a file could present a download transfer to the upload endpoint, obtain a signed upload URL for an attacker-selected object key, and append a chunk to the owner's file. Exploitation could upload or overwrite repository objects and consume storage, subject to transfer size, chunk-count, and lifetime limits.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (26.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
The 30-day trend appears once there are two daily scores.
Weakness classification (CWE)
References
- fdf66990-8419-4c8c-8848-ec15d75773b4 (vendor-advisory)
- fdf66990-8419-4c8c-8848-ec15d75773b4 (technical-description)
- fdf66990-8419-4c8c-8848-ec15d75773b4 (patch)
- fdf66990-8419-4c8c-8848-ec15d75773b4 (release-notes)
- fdf66990-8419-4c8c-8848-ec15d75773b4 (product)
Frequently asked questions
- What is CVE-2026-117469?
- CVE-2026-117469 is a medium-severity vulnerability, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-10-27.
- How severe is CVE-2026-117469?
- Medium severity. CVSS v3 base score is 5.4 out of 10.