# CVE-2026-111897: phpMyFAQ 4.2.0-alpha before 4.2.0-beta Authorization Bypass in Attachment Administration Endpoints

> Category-restricted editors can bypass authorization to modify or delete attachments on FAQs outside their assigned categories.

- **Severity:** High 7.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N`)
- **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:** 17 Oct 2026
- **Updated:** 19 Oct 2026
- **Also known as:** GHSA-73vr-6p8j-qcx6, GHSA-hj8v-cg6r-gg6q

## What is CVE-2026-111897?

CVE-2026-111897 is a high-severity missing authorization vulnerability in thorsten phpMyFAQ, published on 17 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

phpMyFAQ 4.2.0-alpha before 4.2.0-beta contains an authorization bypass vulnerability that allows category-restricted editors to manage attachments of FAQs outside their categories by supplying arbitrary record IDs. Attackers in medium permission mode can send upload or delete requests with a target record_id or attachment ID to tamper with or remove files on unauthorized FAQs.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2026-111897?


## How do I fix CVE-2026-111897?

No fix has been published for CVE-2026-111897 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-111897 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111897 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-111897 and fix it if it is affected.

What it is: CVE-2026-111897 is a high-severity missing authorization vulnerability in thorsten phpMyFAQ, published on 17 Oct 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-2026-111897 exists.

Affected product: thorsten phpMyFAQ. 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-2026-111897/ (Markdown: https://insights.sbomify.com/CVE-2026-111897/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-111897
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-111897
- OSV: https://osv.dev/vulnerability/CVE-2026-111897

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-111897/
Summaries are generated and may contain mistakes; the official description above is the record.