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CVE-2026-0249: Multiple improper certificate validation vulnerabilities in the Palo Alto Networks GlobalProtect™ app enables

23
Routine
MEDIUM 6.5UPGRADEUPGRADEUPGRADE

CVE-2026-0249 is a medium-severity flaw (CVSS 6.5) affecting globalprotect, globalprotect, globalprotect. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple improper certificate validation vulnerabilities in the Palo Alto Networks GlobalProtect™ app enables an attacker to intercept encrypted communications and potentially compromise the endpoint. This can enable a local non-administrative operating system user or an attacker on the same subnet to redirect traffic to an unauthorized server and facilitate the installation of malicious software. The GlobalProtect app on Linux, Windows, iOS and

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score6.5 (Medium)
Attack vectorAdjacent network
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.1% (top 99%)
CISA exploited listNo
WeaknessCWE-295
Published2026-05-13
Last modified2026-10-26
Publisher (CNA): Palo Alto Networks, Inc. · Vendor: paloaltonetworks

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Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

paloaltonetworks globalprotect UPGRADE
Affected: >= 6.0.0 and < 6.0.13 · >= 6.2.0 and < 6.2.8 · >= 6.3.0 and < 6.3.3 · 6.2.8 · 6.2.8 h1 · 6.2.8 h7 · 6.3.3 h1 · 6.3.3 h2
Fixed in: 6.0.13, 6.2.8, 6.3.3
Safe to downgrade to: a release before 6.0.0
1. Check installed version
apt-cache policy globalprotect || rpm -q globalprotect || globalprotect --version
2. UPGRADE to 6.0.13 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade globalprotect
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade globalprotect
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
3. If no update is available yet, DOWNGRADE to a release before 6.0.0 (Debian / Ubuntu)
apt-cache madison globalprotect sudo apt install globalprotect=<VERSION_BEFORE_6.0.0> sudo apt-mark hold globalprotect
3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list globalprotect sudo dnf downgrade globalprotect-<VERSION_BEFORE_6.0.0> sudo dnf versionlock add globalprotect
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
paloaltonetworks globalprotect UPGRADE
Affected: >= 6.0.0 and < 6.0.14 · >= 6.1.0 and < 6.1.14
Fixed in: 6.0.14, 6.1.14
Safe to downgrade to: a release before 6.0.0
1. Check installed version
apt-cache policy globalprotect || rpm -q globalprotect || globalprotect --version
2. UPGRADE to 6.0.14 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade globalprotect
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade globalprotect
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
3. If no update is available yet, DOWNGRADE to a release before 6.0.0 (Debian / Ubuntu)
apt-cache madison globalprotect sudo apt install globalprotect=<VERSION_BEFORE_6.0.0> sudo apt-mark hold globalprotect
3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list globalprotect sudo dnf downgrade globalprotect-<VERSION_BEFORE_6.0.0> sudo dnf versionlock add globalprotect
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
paloaltonetworks globalprotect UPGRADE
Affected: >= 6.0.0 and < 6.0.14 · >= 6.1.0 and < 6.1.14
Fixed in: 6.0.14, 6.1.14
Safe to downgrade to: a release before 6.0.0
1. Check installed version
apt-cache policy globalprotect || rpm -q globalprotect || globalprotect --version
2. UPGRADE to 6.0.14 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade globalprotect
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade globalprotect
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
3. If no update is available yet, DOWNGRADE to a release before 6.0.0 (Debian / Ubuntu)
apt-cache madison globalprotect sudo apt install globalprotect=<VERSION_BEFORE_6.0.0> sudo apt-mark hold globalprotect
3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list globalprotect sudo dnf downgrade globalprotect-<VERSION_BEFORE_6.0.0> sudo dnf versionlock add globalprotect
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
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-2026-0249?

globalprotect: upgrade to 6.0.13, 6.2.8, 6.3.3; globalprotect: upgrade to 6.0.14, 6.1.14; globalprotect: upgrade to 6.0.14, 6.1.14. Exact commands for each OS are on this page.

Is CVE-2026-0249 being exploited?

CVE-2026-0249 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-2026-0249 affect?

CVE-2026-0249 affects globalprotect, globalprotect, globalprotect. Severity is medium (CVSS 6.5). Multiple improper certificate validation vulnerabilities in the Palo Alto Networks GlobalProtect™ app enables an attacker to intercept encrypted communications and potentially compromise the endpoint. This can enable a local non-administrat

How urgent is CVE-2026-0249?

Priority 23/100. No elevated risk signals yet.

Software pages

Windows vulnerabilities · iOS vulnerabilities · Palo Alto PAN-OS vulnerabilities

Related CVEs

References

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