# CVE-2026-90598 — jaygajera17 E-commerce-project-springBoot

> As of 2026-09-13, CVE-2026-90598 is a MEDIUM-severity vulnerability in jaygajera17 E-commerce-project-springBoot, CVSS v3.1 6.3, EPSS 0.2% (13.2th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-90598 as of 2026-09-13; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-09-13

## What is 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.

The record classifies CVE-2026-90598 under weakness classes [CWE-639](https://intel.threadlinqs.com/cwe/CWE-639), [CWE-285](https://intel.threadlinqs.com/cwe/CWE-285). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 22 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 6.3 — MEDIUM (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R`)
- **CVSS v4.0 base score:** 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **EPSS (FIRST):** 0.2% probability of exploitation in the next 30 days, higher than 13.2% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 3.7/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-13

## Is CVE-2026-90598 being exploited?

It currently carries a trending score of 33 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **jaygajera17**: E-commerce-project-springBoot

## How to fix CVE-2026-90598

No vendor patch reference has been recorded for CVE-2026-90598 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-90598

No threat campaign in the Threadlinqs corpus currently references CVE-2026-90598, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, FIRST EPSS. Last verified by Threadlinqs on 2026-09-14.

**Vendor advisory and patch**

- [github.com — issue tracking](https://github.com/jaygajera17/E-commerce-project-springBoot/pull/174)
- [github.com — exploit](https://github.com/user-attachments/files/30648539/poc_idor_updateuser.py)

**Technical analysis**

- [vuldb.com — vdb entry](https://vuldb.com/vuln/403180)

**Third-party advisory**

- [vuldb.com — signature](https://vuldb.com/vuln/403180/cti)
- [vuldb.com — third party advisory](https://vuldb.com/cve/CVE-2026-90598)
- [vuldb.com — third party advisory (913792)](https://vuldb.com/submit/913792)

**Issue tracking and product pages**

- [github.com — issue tracking](https://github.com/jaygajera17/E-commerce-project-springBoot/issues/172)
- [github.com — product](https://github.com/jaygajera17/E-commerce-project-springBoot/)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-90598
Full detection coverage and IOCs for threats exploiting CVE-2026-90598 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp
