# CVE-2026-111892: phpMyFAQ 4.2.0-alpha before 4.2.0-beta Missing Rate Limiting on Password-Reset Endpoints

> Unauthenticated attackers can flood user inboxes and exhaust server resources by sending unlimited password reset requests due to missing rate limiting.

- **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`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 17 Oct 2026
- **Updated:** 19 Oct 2026
- **Also known as:** GHSA-p2cj-r7vv-fr2r, GHSA-wmmm-2vwq-3hqq

## What is CVE-2026-111892?

CVE-2026-111892 is a medium-severity denial of service vulnerability in thorsten phpMyFAQ, published on 17 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

phpMyFAQ 4.2.0-alpha before 4.2.0-beta lacks effective rate limiting on the unauthenticated user/password/update and user/password/reset endpoints. Unauthenticated attackers can send unlimited reset requests to flood a registered user's inbox with reset emails, exhausting mailer and server resources.

Weakness: CWE-307 (Improper Restriction of Excessive Authentication Attempts)

## Which versions are affected by CVE-2026-111892?


## How do I fix CVE-2026-111892?

No fix has been published for CVE-2026-111892 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-111892 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111892 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-111892 and fix it if it is affected.

What it is: CVE-2026-111892 is a medium-severity denial of service vulnerability in thorsten phpMyFAQ, published on 17 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111892 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-2026-111892/ (Markdown: https://insights.sbomify.com/CVE-2026-111892/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-111892
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-111892
- OSV: https://osv.dev/vulnerability/CVE-2026-111892

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-111892/
Summaries are generated and may contain mistakes; the official description above is the record.