# CVE-2026-92421: Hydra Booking 1.1.0 - < 1.2.3 - Hydra Host+ Host Profile Takeover via IDOR

> Authenticated users can modify other hosts' profiles and reassign ownership due to missing authorization checks in the Hydra Booking plugin.

- **Severity:** Medium 4.7 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 19 Sep 2026
- **Updated:** 19 Sep 2026
- **Also known as:** GHSA-pw3m-2xrj-4fq6

## What is CVE-2026-92421?

CVE-2026-92421 is a medium-severity missing authorization vulnerability in Unknown Hydra Booking — Appointment Scheduling & Booking Calendar, published on 19 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

The Hydra Booking — Appointment Scheduling & Booking Calendar WordPress plugin before 1.2.3 does not verify that the host record being modified belongs to the user making the request, allowing authenticated users holding a Hydra Booking — Appointment Scheduling & Booking Calendar WordPress plugin before 1.2.3-assigned host role to modify other hosts' profile data and reassign ownership of another host's record to themselves.

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

## Which versions are affected by CVE-2026-92421?


## How do I fix CVE-2026-92421?

No fix has been published for CVE-2026-92421 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-92421 being exploited?

There is no known exploitation of CVE-2026-92421 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-92421 and fix it if it is affected.

What it is: CVE-2026-92421 is a medium-severity missing authorization vulnerability in Unknown Hydra Booking — Appointment Scheduling & Booking Calendar, published on 19 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-92421 in the wild and no public exploit code.

Affected product: Unknown Hydra Booking — Appointment Scheduling & Booking Calendar. 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-2026-92421/ (Markdown: https://insights.sbomify.com/CVE-2026-92421/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-92421
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-92421
- OSV: https://osv.dev/vulnerability/CVE-2026-92421

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-92421/
Summaries are generated and may contain mistakes; the official description above is the record.