# CVE-2026-100897: fuzui StudentInfo Password Change Endpoint moditypasswordstu authorization

> Remote attackers can bypass authorization checks in the password change endpoint to modify student account credentials.

- **Severity:** Medium 5.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 28 Sep 2026
- **Updated:** 1 Oct 2026
- **Also known as:** GHSA-px4m-4jpf-pv3q

## What is CVE-2026-100897?

CVE-2026-100897 is a medium-severity authentication bypass vulnerability in fuzui StudentInfo, published on 28 Sep 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

A security vulnerability has been detected in fuzui StudentInfo up to fcc42a639ec7cef620651bfd0f07ebb660529e3f. The impacted element is an unknown function of the file /StudentInfo/StudentHandler/moditypasswordstu of the component Password Change Endpoint. Such manipulation of the argument sid/tid leads to authorization bypass. The attack can be executed remotely. This product implements a rolling release for ongoing delivery, which means version information for affected or updated releases is unavailable. The vendor was contacted early about this disclosure but did not respond in any way.

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

## Which versions are affected by CVE-2026-100897?


## How do I fix CVE-2026-100897?

No fix has been published for CVE-2026-100897 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-100897 being exploited?

There is no known exploitation of CVE-2026-100897 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-100897 and fix it if it is affected.

What it is: CVE-2026-100897 is a medium-severity authentication bypass vulnerability in fuzui StudentInfo, published on 28 Sep 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-100897 in the wild and no public exploit code.

Affected product: fuzui StudentInfo. 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-2026-100897/ (Markdown: https://insights.sbomify.com/CVE-2026-100897/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-100897
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-100897
- OSV: https://osv.dev/vulnerability/CVE-2026-100897

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-100897/
Summaries are generated and may contain mistakes; the official description above is the record.