# CVE-2026-90598: jaygajera17 E-commerce-project-springBoot UserController.java UserController.updateUser authorization

> Attackers can bypass authorization in the user update function to modify other users' data, requiring a patch for the Spring Boot application.

- **Severity:** Medium 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`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 13 Sep 2026
- **Updated:** 16 Sep 2026
- **Also known as:** GHSA-2w92-f48x-mmwf

## What is CVE-2026-90598?

CVE-2026-90598 is a medium-severity missing authorization vulnerability in jaygajera17 E-commerce-project-springBoot, published on 13 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

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.

Weakness: CWE-639 (Authorization Bypass Through User-Controlled Key), CWE-285 (Improper Authorization)

## Which versions are affected by CVE-2026-90598?


## How do I fix CVE-2026-90598?

No fix has been published for CVE-2026-90598 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-90598 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90598 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-90598 and fix it if it is affected.

What it is: CVE-2026-90598 is a medium-severity missing authorization vulnerability in jaygajera17 E-commerce-project-springBoot, published on 13 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90598 exists.

Affected product: jaygajera17 E-commerce-project-springBoot. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-90598/ (Markdown: https://insights.sbomify.com/CVE-2026-90598/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-90598
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-90598
- OSV: https://osv.dev/vulnerability/CVE-2026-90598

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-90598/
Summaries are generated and may contain mistakes; the official description above is the record.