# CVE-2026-85102: Check Point Multiple Products Improper Certificate Validation

> Unauthenticated remote attackers can execute arbitrary code on Check Point Quantum Security Gateways due to improper certificate validation during VPN negotiation.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Yes, since 22 Sep 2026 (CISA KEV)
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 9 Sep 2026
- **Updated:** 23 Sep 2026
- **Also known as:** GHSA-3fvr-5gg9-225m

## What is CVE-2026-85102?

CVE-2026-85102 is a critical vulnerability in checkpoint Quantum Security Gateway, published on 9 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Improper certificate trust validation during VPN negotiation in Check Point Quantum Security Gateway may allow an unauthenticated remote attacker to execute arbitrary code on the Gateway.

Weakness: CWE-295 (Improper Certificate Validation)

## Which versions are affected by CVE-2026-85102?

It affects 2 products.


Products: Checkpoint Gaia Embedded, Checkpoint Gaia Os.

## How do I fix CVE-2026-85102?

No fix has been published for CVE-2026-85102 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 25 Sep 2026.

## Is CVE-2026-85102 being exploited?

Yes. Attackers have exploited CVE-2026-85102 in the wild since at least 22 Sep 2026.

Public exploit code:

- Authentication Bypass and Remote Code Execution in Remote Access and Site-to-Site VPN (github_poc): https://github.com/aduli198/CVE-2026-85102

## Other vulnerabilities in checkpoint Quantum Security Gateway

- [CVE-2026-50751](https://insights.sbomify.com/CVE-2026-50751/): Check Point Security Gateway Improper Authentication (critical 9.3, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-85102 and fix it if it is affected.

What it is: CVE-2026-85102 is a critical vulnerability in checkpoint Quantum Security Gateway, published on 9 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: Yes. Attackers have exploited CVE-2026-85102 in the wild since at least 22 Sep 2026.

Affected product: checkpoint Quantum Security Gateway. 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-2026-85102/ (Markdown: https://insights.sbomify.com/CVE-2026-85102/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-85102
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-85102
- OSV: https://osv.dev/vulnerability/CVE-2026-85102

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-85102/
Summaries are generated and may contain mistakes; the official description above is the record.