What is CVE-2026-90599?

CVE-2026-90599 is a medium-severity vulnerability in Rizwan17 Inventory-Management-System, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2026-09-13.

How severe is CVE-2026-90599?

Medium severity. CVSS v3 base score is 4.3 out of 10.

CSRF in Rizwan17 Inventory-Management-System

CVE-2026-90599

A flaw has been found in Rizwan17 inventory-management-system up to 5e74a46b4b70623d0e4a0c9c4aee3bd1777185d2. This affects an unknown function of the file includes/process.php. Executing a manipulation can lead to cross-site request forgery. It is possible to launch the attack remotely. The exploit has been published and may be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The project was informed of the problem early through an issue report but has not responded yet.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2026-09-13 · last modified 2026-09-14.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (14.5th percentile), scored 2026-10-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 14.5% 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

Rizwan17 Inventory-Management-System — versions 5e74a46b4b70623d0e4a0c9c4aee3bd1777185d2

Weakness classification (CWE)

References

github.com/Rizwan17/inventory-management-system/ (product)
github.com/Rizwan17/inventory-management-system/issues/17 (issue-tracking)
github.com/user-attachments/files/30648539/poc_idor_updateuser.py (exploit, patch)
vuldb.com/cve/CVE-2026-90599 (third-party-advisory)
vuldb.com/submit/913903 (third-party-advisory)
vuldb.com/vuln/403181 (vdb-entry)
vuldb.com/vuln/403181/cti (signature, permissions-required)

Frequently asked questions

What is CVE-2026-90599?: CVE-2026-90599 is a medium-severity vulnerability in Rizwan17 Inventory-Management-System, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2026-09-13.
How severe is CVE-2026-90599?: Medium severity. CVSS v3 base score is 4.3 out of 10.