CVE-2026-0277: An improper certificate validation vulnerability in the Prisma® Access Agent for iOS enables an attacker to perform a man-in-the-middle (MitM) attack to intercept VPN traffic. Th

unknownCVE-2026-0277

An improper certificate validation vulnerability in the Prisma® Access Agent for iOS enables an attacker to perform a man-in-the-middle (MitM) attack to intercept VPN traffic. The Prisma Access Agent on Windows, macOS, Linux, Android and ChromeOS are not affected.

Details

Source: NVD Recent CVEs (US · database · site)
Severity: unknown
Published: 2026-07-09
Last updated: 2026-07-10
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-0277

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-02770.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-0277	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

mediumCVE-2026-0277 Prisma Access Agent: Improper Certificate Validation on iOS (Severity: MEDIUM)paloalto

Recent advisories for An improper certificate

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

mediumCVE-2026-0277 Prisma Access Agent: Improper Certificate Validation on iOS (Severity: MEDIUM)paloalto · 2026-07-08
highCVE-2026-6900: Improper certificate validation vulnerability in B&R Industrial Automation GmbH APROL. This iss…nvd · 2026-07-06
mediumGHSA-g3xr-5w5j-w4q4: Contour has Improper JWT Verification for Non-SNI Requests on Virtual Hosts with Fallback…ghsa · 2026-07-02
unknownCVE-2026-12374: Improper certificate validation and a time-of-check time-of-use (TOCTOU) race condition in the…nvd · 2026-07-01
criticalexploitedCVE-2023-41991: Apple Multiple Products Improper Certificate Validation Vulnerabilitycisa-kev · 2023-09-25