# CVE-2026-78115: SourceCodester Class and Exam Timetabling System User Account Update edit_user_account.php improper authorization

> Remote attackers can modify user accounts via improper authorization in the admin edit function, allowing unauthorized privilege escalation and data modification.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/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:** 23 Aug 2026
- **Updated:** 26 Aug 2026
- **Also known as:** GHSA-wjrw-j976-xf8g

## What is CVE-2026-78115?

CVE-2026-78115 is a medium-severity missing authorization vulnerability in SourceCodester Class and Exam Timetabling System, published on 23 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability has been found in SourceCodester Class and Exam Timetabling System 1.0. Affected is an unknown function of the file /admin/edit_user_account.php of the component User Account Update. Such manipulation of the argument id/username leads to improper authorization. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Weakness: CWE-285 (Improper Authorization), CWE-266 (Incorrect Privilege Assignment)

## Which versions are affected by CVE-2026-78115?


## How do I fix CVE-2026-78115?

No fix has been published for CVE-2026-78115 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-78115 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-78115 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-78115 and fix it if it is affected.

What it is: CVE-2026-78115 is a medium-severity missing authorization vulnerability in SourceCodester Class and Exam Timetabling System, published on 23 Aug 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-2026-78115 exists.

Affected product: SourceCodester Class and Exam Timetabling System. 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-2026-78115/ (Markdown: https://insights.sbomify.com/CVE-2026-78115/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-78115
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-78115
- OSV: https://osv.dev/vulnerability/CVE-2026-78115

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-78115/
Summaries are generated and may contain mistakes; the official description above is the record.