7.4

CVE-2026-0296: palo alto networks globalprotect app Improper Certificate Validation

CVSS: 7.4v3.1HighUndergoing analysis
Published 13-08-2026Last modified 13-08-2026
Open JSON

Vulnerability summary

CVE-2026-0296 is a high (CVSS 7.4) Improper Certificate Validation vulnerability in palo alto networks globalprotect app. EPSS estimates a 0.14% chance of exploitation in the next 30 days, higher than 2.9% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.4/10
010
High · v3.1 (NVD)
EPSS score
0.14%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-08-2026
    PublishedVulnerability first disclosed.
  2. 13-08-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.14%

Chance of exploitation in the next 30 days

Percentile

3%

Versus all other CVEs

30-day change

0.00 pp

From 0.14% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.14%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Palo alto networks1 product
  • globalprotect app≥ 6.3.0, < 6.3.3-h15 | 6.2.0 | ≥ 6.0.0, < 6.0.15 | ≥ 6.3.0, < 6.3.3-h14 | ≥ 6.2.0, < 6.2.8-h13
Paloaltonetworks1 product
  • globalprotect≥ 6.0.0, < 6.0.15 | ≥ 6.2.0, < 6.2.8 | ≥ 6.2.0, ≤ 6.2.9 | ≥ 6.3.0, < 6.3.3 | na | 6.2.8 | 6.2.8:h1 | 6.2.8:h10 | 6.2.8:h11 | 6.2.8:h12 | 6.2.8:h2 | 6.2.8:h3 | 6.2.8:h4 | 6.2.8:h5 | 6.2.8:h6 | 6.2.8:h7 | 6.2.8:h8 | 6.2.8:h9 | 6.3.3 | 6.3.3:h1 | 6.3.3:h11 | 6.3.3:h12 | 6.3.3:h2 | 6.3.3:h3 | 6.3.3:h4 | 6.3.3:h6 | 6.3.3:h7 | 6.3.3:h8 | 6.3.3:h9

2 vendors · 2 products

References

1 links