# CVE-2026-0248: Prisma Access Agent: Improper Certificate Validation Vulnerability

> Attackers can intercept VPN traffic and capture sensitive device information via man-in-the-middle attacks due to improper certificate validation in the Android and Chrome OS agent.

- **Severity:** Medium 6.2 (`CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N/E:U/AU:Y/R:A/V:D/RE:M/U:Amber`)
- **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 May 2026
- **Updated:** 13 May 2026
- **Also known as:** GHSA-jgxc-qhw9-rf7c

## What is CVE-2026-0248?

CVE-2026-0248 is a medium-severity vulnerability in Palo Alto Networks Prisma Access Agent, published on 13 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

An improper certificate validation vulnerability in the Prisma Access Agent® for Android and Chrome OS enables an attacker to perform a man-in-the-middle (MitM) attack to intercept VPN traffic. By presenting a certificate for any domain issued by a trusted Certificate Authority, the attacker can capture sensitive device information.

The Prisma Access Agent on macOS, Windows, Linux and iOS are not affected.

Weakness: CWE-295 (Improper Certificate Validation)

## Which versions are affected by CVE-2026-0248?

It affects 1 product.


Products: Paloaltonetworks Prisma Access Agent.

## How do I fix CVE-2026-0248?

No fix has been published for CVE-2026-0248 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-0248 being exploited?

There is no known exploitation of CVE-2026-0248 in the wild and no public exploit code.

## Other vulnerabilities in Palo Alto Networks Prisma Access Agent

- [CVE-2026-0294](https://insights.sbomify.com/CVE-2026-0294/): Prisma Access Agent: Local Privilege Escalation (medium 6.0)
- [CVE-2026-0271](https://insights.sbomify.com/CVE-2026-0271/): Prisma Access Agent: Local Privilege Escalation by Authorized Users (medium 5.9)
- [CVE-2026-0246](https://insights.sbomify.com/CVE-2026-0246/): Prisma Access Agent: Local Privilege Escalation Vulnerability (medium 5.9)
- [CVE-2026-0247](https://insights.sbomify.com/CVE-2026-0247/): Prisma Access Agent Endpoint DLP: Authorization Bypass Vulnerabilities (medium 5.9)
- [CVE-2026-0278](https://insights.sbomify.com/CVE-2026-0278/): Prisma Access Agent: Multiple DLP Policy Bypass Vulnerabilities on Windows (medium 5.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-0248 and fix it if it is affected.

What it is: CVE-2026-0248 is a medium-severity vulnerability in Palo Alto Networks Prisma Access Agent, published on 13 May 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-2026-0248 in the wild and no public exploit code.

Affected product: Palo Alto Networks Prisma Access Agent. 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-2026-0248/ (Markdown: https://insights.sbomify.com/CVE-2026-0248/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-0248
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-0248
- OSV: https://osv.dev/vulnerability/CVE-2026-0248

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-0248/
Summaries are generated and may contain mistakes; the official description above is the record.