# CVE-2026-0233: Autonomous Digital Experience Manager: Improper validation of ADEM certificate

> An unauthenticated attacker with adjacent network access can execute arbitrary code with SYSTEM privileges due to improper certificate validation in the ADEM Windows client.

- **Severity:** Low 2.0 (`CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Green`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 13 Apr 2026
- **Updated:** 14 Apr 2026
- **Also known as:** GHSA-2cp9-2r3x-xx3f

## What is CVE-2026-0233?

CVE-2026-0233 is a low-severity vulnerability in Palo Alto Networks Autonomous Digital Experience Manager, published on 13 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A certificate validation vulnerability in Palo Alto Networks Autonomous Digital Experience Manager on Windows allows an unauthenticated attacker with adjacent network access to execute arbitrary code with NT AUTHORITY\SYSTEM  privileges.

Weakness: CWE-295 (Improper Certificate Validation)

## Which versions are affected by CVE-2026-0233?

It affects 1 product.


Products: Paloaltonetworks Autonomous Digital Experience Manager.

## How do I fix CVE-2026-0233?

No fix has been published for CVE-2026-0233 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-0233 being exploited?

There is no known exploitation of CVE-2026-0233 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-0233 and fix it if it is affected.

What it is: CVE-2026-0233 is a low-severity vulnerability in Palo Alto Networks Autonomous Digital Experience Manager, published on 13 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-0233 in the wild and no public exploit code.

Affected product: Palo Alto Networks Autonomous Digital Experience Manager. 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-2026-0233/ (Markdown: https://insights.sbomify.com/CVE-2026-0233/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-0233
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-0233
- OSV: https://osv.dev/vulnerability/CVE-2026-0233

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-0233/
Summaries are generated and may contain mistakes; the official description above is the record.