How severe is CVE-2026-0296?

CVE-2026-0296 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-0296 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-0296?

CVE-2026-0296 primarily affects Paloaltonetworks Globalprotect. In total, 43 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-0296?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-0296 published?

CVE-2026-0296 was published on 2026-08-13 and last updated on 2026-09-10.

CVE-2026-0296

CVE-2026-0296 is a high-severity vulnerability in Paloaltonetworks Globalprotect with a CVSS 3.x base score of 7.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.

Key facts

Severity: High (CVSS 3.x base score 7.4)
CVSS v4: 4.5
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Paloaltonetworks Globalprotect
Published: 2026-08-13
Last modified: 2026-09-10

Description

Improper certificate validation vulnerabilities in Palo Alto Networks GlobalProtect™ app enable an unauthenticated attacker with man-in-the-middle (MitM) access to intercept and modify application communications. VPN tunnel traffic is not impacted. The GlobalProtect app on iOS, Android, and Chrome OS is not affected.

Frequently asked questions

What is CVE-2026-0296?: Improper certificate validation vulnerabilities in Palo Alto Networks GlobalProtect™ app enable an unauthenticated attacker with man-in-the-middle (MitM) access to intercept and modify application communications. VPN tunnel traffic is not impacted. The GlobalProtect app on iOS, Android, and Chrome OS is not affected.
How severe is CVE-2026-0296?: CVE-2026-0296 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-0296 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-0296?: CVE-2026-0296 primarily affects Paloaltonetworks Globalprotect. In total, 43 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-0296?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-0296 published?: CVE-2026-0296 was published on 2026-08-13 and last updated on 2026-09-10.

References

https://security.paloaltonetworks.com/CVE-2026-0296

Affected products (43)

cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:linux:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:macos:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:windows:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:-:*:*:*:*:windows:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:-:*:*:*:macos:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h1:*:*:*:macos:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h10:*:*:*:macos:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h11:*:*:*:macos:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h12:*:*:*:macos:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h2:*:*:*:macos:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h3:*:*:*:macos:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h4:*:*:*:macos:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h5:*:*:*:macos:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h6:*:*:*:macos:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h7:*:*:*:macos:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h8:*:*:*:macos:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h9:*:*:*:macos:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:-:*:*:*:linux:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:-:*:*:*:macos:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:-:*:*:*:windows:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h1:*:*:*:linux:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h1:*:*:*:macos:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h1:*:*:*:windows:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h11:*:*:*:macos:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h11:*:*:*:windows:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h12:*:*:*:macos:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h12:*:*:*:windows:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h2:*:*:*:linux:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h2:*:*:*:macos:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h2:*:*:*:windows:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h3:*:*:*:linux:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h3:*:*:*:macos:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h3:*:*:*:windows:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h4:*:*:*:macos:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h4:*:*:*:windows:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h6:*:*:*:macos:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h6:*:*:*:windows:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h7:*:*:*:macos:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h7:*:*:*:windows:*:*
cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h8:*:*:*:macos:*:*

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Other CWE-295 (Improper Certificate Validation) vulnerabilities

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CVE-2025-68121 — Critical (CVSS 10.0): During session resumption in crypto/tls, if the underlying Config has its ClientCAs or RootCAs fields mutated between…
CVE-2022-20703 — Critical (CVSS 10.0): Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker…
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