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CVE-2026-0290: An information disclosure vulnerability in the Account Protection feature of Palo Alto Networks Prisma® Brows

20
Routine
MEDIUM 5.5UPGRADE

CVE-2026-0290 is a medium-severity flaw (CVSS 5.5) affecting prisma browser. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score5.5 (Medium)
Attack vectorLocal
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.1% (top 98%)
CISA exploited listNo
WeaknessCWE-522
Published2026-08-13
Last modified2026-10-23
Publisher (CNA): Palo Alto Networks, Inc. · Vendor: paloaltonetworks

Am I affected?

Timeline

paloaltonetworks prisma browser UPGRADE
Affected: < 148.18.4.217
Fixed in: 148.18.4.217
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy prisma-browser || rpm -q prisma-browser || prisma-browser --version
2. UPGRADE to 148.18.4.217 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade prisma-browser
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade prisma-browser
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-0290?

prisma browser: upgrade to 148.18.4.217. Exact commands for each OS are on this page.

Is CVE-2026-0290 being exploited?

CVE-2026-0290 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-0290 affect?

CVE-2026-0290 affects prisma browser. Severity is medium (CVSS 5.5). An information disclosure vulnerability in the Account Protection feature of Palo Alto Networks Prisma® Browser enables a local attacker to view sensitive data.

How urgent is CVE-2026-0290?

Priority 20/100. No elevated risk signals yet.

Related CVEs

References

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