CVE-2026-93434 Fireware OS XPath Injection in SSH Authentication Allows Blind Extraction of Configuration Secrets
High 8.7
Published
Updated
Check this codebase for CVE-2026-93434 and fix it if it is affected.
What it is: CVE-2026-93434 is a high-severity vulnerability in WatchGuard Fireware OS, published on 27 Oct 2026.
Exploitation: There is no known exploitation of CVE-2026-93434 in the wild and no public exploit code.
Affected product: WatchGuard Fireware OS. 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-2026-93434/ (Markdown: https://insights.sbomify.com/CVE-2026-93434/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-93434?
CVE-2026-93434 is a high-severity vulnerability in WatchGuard Fireware OS, published on 27 Oct 2026.
Official description
An XPath injection vulnerability in WatchGuard Fireware OS's SSH authentication process allows a remote, unauthenticated attacker with access to the management SSH interface to extract sensitive configuration data by submitting a specially crafted request.
Which versions are affected by CVE-2026-93434?
How do I fix CVE-2026-93434?
No fix has been published for CVE-2026-93434 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-93434 being exploited?
There is no known exploitation of CVE-2026-93434 in the wild and no public exploit code.
Sources
Also known as GHSA-3fmv-cm8f-v9fm.