# CVE-2026-9603: SourceCodester eDoc Doctor Appointment System delete-session.php authorization

> Attackers can remotely delete sessions without authorization by manipulating the ID parameter in the admin delete-session script.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 26 May 2026
- **Updated:** 27 May 2026
- **Also known as:** GHSA-pwhp-x5rw-qgjj

## What is CVE-2026-9603?

CVE-2026-9603 is a medium-severity missing authorization vulnerability in SourceCodester eDoc Doctor Appointment System, published on 26 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A security vulnerability has been detected in SourceCodester eDoc Doctor Appointment System 1.0. This affects an unknown part of the file /admin/delete-session.php. The manipulation of the argument ID leads to missing authorization. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.

Weakness: CWE-863 (Incorrect Authorization), CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2026-9603?


## How do I fix CVE-2026-9603?

No fix has been published for CVE-2026-9603 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-9603 being exploited?

There is no known exploitation of CVE-2026-9603 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-9603 and fix it if it is affected.

What it is: CVE-2026-9603 is a medium-severity missing authorization vulnerability in SourceCodester eDoc Doctor Appointment System, published on 26 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-9603 in the wild and no public exploit code.

Affected product: SourceCodester eDoc Doctor Appointment 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-2026-9603/ (Markdown: https://insights.sbomify.com/CVE-2026-9603/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-9603
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-9603
- OSV: https://osv.dev/vulnerability/CVE-2026-9603

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-9603/
Summaries are generated and may contain mistakes; the official description above is the record.