Vulnerability in Palo Alto Networks Prisma Browser

CVE-2026-0289

A security bypass vulnerability in the Account Protection feature of Palo Alto Networks Prisma® Browser enables a user to bypass intended security controls.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (11.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 11.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-0289: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-0289?
CVE-2026-0289 is a medium-severity vulnerability in Palo Alto Networks Prisma Browser, classified under Insufficiently Protected Credentials. CVSS score: 6.5/10. Published 2026-08-13.
How severe is CVE-2026-0289?
Medium severity. CVSS v3 base score is 6.5 out of 10.