What is CVE-2026-90598?

CVE-2026-90598 is a medium-severity vulnerability in Jaygajera17 E-Commerce-Project-Springboot, classified under Improper Authorization. CVSS score: 6.3/10. Published 2026-09-13.

How severe is CVE-2026-90598?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Auth bypass in Jaygajera17 E-Commerce-Project-Springboot

CVE-2026-90598

A vulnerability was detected in jaygajera17 E-commerce-project-springBoot up to 5e74a46b4b70623d0e4a0c9c4aee3bd1777185d2. The impacted element is the function UserController.updateUser of the file UserController.java. Performing a manipulation of the argument userid results in authorization bypass. It is possible to initiate the attack remotely. The exploit is now public and may be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The pull request to fix this issue awaits acceptance.

Published 2026-09-13 · last modified 2026-09-16.

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: 0.004 (33.4th percentile), scored 2026-10-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Jaygajera17 E-Commerce-Project-Springboot — versions 5e74a46b4b70623d0e4a0c9c4aee3bd1777185d2

Weakness classification (CWE)

References

vuldb.com/vuln/403180 (technical-description, vdb-entry)
vuldb.com/vuln/403180/cti (signature, permissions-required)
vuldb.com/cve/CVE-2026-90598 (third-party-advisory)
vuldb.com/submit/913792 (third-party-advisory)
github.com/jaygajera17/E-commerce-project-springBoot/issues/172 (issue-tracking)
github.com/jaygajera17/E-commerce-project-springBoot/pull/174 (issue-tracking, patch)
github.com/user-attachments/files/30648539/poc_idor_updateuser.py (exploit, patch)
github.com/jaygajera17/E-commerce-project-springBoot/ (product)

Frequently asked questions

What is CVE-2026-90598?: CVE-2026-90598 is a medium-severity vulnerability in Jaygajera17 E-Commerce-Project-Springboot, classified under Improper Authorization. CVSS score: 6.3/10. Published 2026-09-13.
How severe is CVE-2026-90598?: Medium severity. CVSS v3 base score is 6.3 out of 10.