5.5Medium

Paloaltonetworks Prisma Browser

CVE-2026-0290

An information disclosure vulnerability in the Account Protection feature of Palo Alto Networks Prisma® Browser enables a local attacker to view sensitive data.

What this means for your business

  • It affects Paloaltonetworks Prisma Browser. It matters if your company, or a supplier that handles your data, runs it.
  • An attacker can use it only with access to the machine itself, with an ordinary user login, and without anyone at your company clicking anything.

What to do

  1. 1Check whether your company or your suppliers run Paloaltonetworks Prisma Browser, and which version. The affected versions are listed further down this page.
  2. 2If you do, apply the vendor's fix. A patch or vendor advisory has been published.

Not sure if your company is exposed?

Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.

Scoring

CVSS
5.5 (v3.1)
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4
0.5
Weakness
CWE-522
Assigned by
psirt@paloaltonetworks.com

Dates

Published
2026-08-13
Last modified
2026-09-09
Sources
NVD

Affected products

  • Paloaltonetworks Prisma Browser- 148.18.4.217

As listed in the NVD configuration data. Not a statement about your estate.

References