CVE-2026-0291: An improper link resolution before file access vulnerability exists in the Palo Alto Networks Prisma® Access A

Q: How do I fix CVE-2026-0291?

prisma access agent: upgrade to 26.2.2. Exact commands for each OS are on this page.

Q: Is CVE-2026-0291 being exploited?

CVE-2026-0291 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-0291 affect?

CVE-2026-0291 affects prisma access agent. Severity is medium (CVSS 4.4). An improper link resolution before file access vulnerability exists in the Palo Alto Networks Prisma® Access Agent on Linux platforms that enables a local low privileged user to delete system files in a limited scope and disable Prisma Acce

Q: How urgent is CVE-2026-0291?

Priority 16/100. No elevated risk signals yet.

Routine

MEDIUM 4.4UPGRADE

CVE-2026-0291 is a medium-severity flaw (CVSS 4.4) affecting prisma access agent. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An improper link resolution before file access vulnerability exists in the Palo Alto Networks Prisma® Access Agent on Linux platforms that enables a local low privileged user to delete system files in a limited scope and disable Prisma Access Agent. The Prisma Access Agent on macOS, Windows, iOS, Android, and Chrome OS is not affected.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.4 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.1% (top 99%)
CISA exploited list	No
Weakness	CWE-59
Published	2026-08-13
Last modified	2026-10-23

Publisher (CNA): Palo Alto Networks, Inc. · Vendor: paloaltonetworks

Last updated 2026-10-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-08-13 03:16 UTCPublished CVE record published
2026-10-23 19:10 UTCUpdated Record last modified

paloaltonetworks prisma access agent UPGRADE

Affected: < 26.2.2

Fixed in: 26.2.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy prisma-access-agent || rpm -q prisma-access-agent || prisma-access-agent --version

2. UPGRADE to 26.2.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade prisma-access-agent

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade prisma-access-agent

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-2026-0291?

prisma access agent: upgrade to 26.2.2. Exact commands for each OS are on this page.

Is CVE-2026-0291 being exploited?

CVE-2026-0291 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-2026-0291 affect?

CVE-2026-0291 affects prisma access agent. Severity is medium (CVSS 4.4). An improper link resolution before file access vulnerability exists in the Palo Alto Networks Prisma® Access Agent on Linux platforms that enables a local low privileged user to delete system files in a limited scope and disable Prisma Acce

How urgent is CVE-2026-0291?

Priority 16/100. No elevated risk signals yet.

Software pages

Windows vulnerabilities · Android vulnerabilities · iOS vulnerabilities · macOS vulnerabilities · Google Chrome vulnerabilities · Palo Alto PAN-OS vulnerabilities

Related CVEs

CVE-2026-0294 HIGH 7.8 UPGRADE A privilege escalation (PE) vulnerability in the Palo Alto Networks Prisma® Access Agent app on Windows and ma
CVE-2026-0292 MEDIUM 6.0 UPGRADE An authentication bypass vulnerability in the network driver of Palo Alto Networks Prisma® Access Agent on Win
CVE-2026-0293 MEDIUM 6.0 UPGRADE A vulnerability in Palo Alto Networks Prisma® Access Agent on Windows enables a local attacker with administra

References

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