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CVE-2026-0248

📛 CVE Title

Prisma Access Agent: Improper Certificate Validation Vulnerability

Description

An improper certificate validation vulnerability in the Prisma Access Agent® for Android and Chrome OS enables an attacker to perform a man-in-the-middle (MitM) attack to intercept VPN traffic. By presenting a certificate for any domain issued by a trusted Certificate Authority, the attacker can capture sensitive device information. The Prisma Access Agent on macOS, Windows, Linux and iOS are not affected.

Overview

State
PUBLISHED
Assigner (CNA)
palo_alto
CVSS severity
MEDIUM
CVSS score
CVSS 6.2 / 10 6.2 6.2 / 10
CVSS vector
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N/E:U/AU:Y/R:A/V:D/RE:M/U:Amber
Effective score
6.2 / 10 MEDIUM source: CNA overview
CWE(s)
CWE-295
Reserved
2025-11-03
Published
2026-05-13 19:05 UTC
Last updated
2026-05-13 19:29 UTC
Source
https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/0xxx/CVE-2026-0248.json

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published
2026-05-13 19:16:58 UTC
NVD last modified
2026-05-14 16:21:23 UTC
EPSS score
0.0001 (probability of exploitation in next 30 days)
EPSS percentile
0.38% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24

NVD / KEV / EPSS data refreshed 2026-05-25 04:49 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID
EUVD-2026-30099
Assigner
palo_alto
Published
May 13, 2026, 7:05:00 PM
Updated
May 13, 2026, 7:29:24 PM
EUVD base score (CVSS 4.0)
6.2 / 10
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N/E:U/AU:Y/R:A/V:D/RE:M/U:Amber
EUVD-reported EPSS
0.0100
Vendors
Palo Alto Networks
Products
Prisma Access Agent
Prisma Access Agent (0 <26.2.1)

ENISA description: An improper certificate validation vulnerability in the Prisma Access Agent® for Android and Chrome OS enables an attacker to perform a man-in-the-middle (MitM) attack to intercept VPN traffic. By presenting a certificate for any domain issued by a trusted Certificate Authority, the attacker can capture sensitive device information. The Prisma Access Agent on macOS, Windows, Linux and iOS are not affected.

EUVD references (1)

Affected products (2)

VendorProductVersionsPlatforms
Palo Alto Networks Prisma Access Agent 0 (affected) Android, Chrome OS
Palo Alto Networks Prisma Access Agent All (unaffected) iOS, Linux, macOS, Windows

Vendor references (1)

References embedded in the original CVE record by the assigning CNA.

Web references (4)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

NVD-tagged references (1)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

Remediations (10)

  • web:cyberpress.org

    The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added two actively exploited Microsoft Defender vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, issuing an urgent remediation directive for federal agencies with a due date of June 3, 2026 .

    2026-05-23 21:34 UTC
  • web:cybersecuritynews.com

    Microsoft has released its April 2026 Patch Tuesday security update, addressing 168 vulnerabilities across its product portfolio including one actively exploited zero-day and one publicly disclosed flaw that organizations must prioritize immediately.

    2026-05-23 21:34 UTC
  • web:krebsonsecurity.com

    Microsoft expects that exploitation is more likely. May's Patch Tuesday is a welcome respite from April, which saw Microsoft fix a near-record 167 security flaws.

    2026-05-23 21:34 UTC
  • web:nvd.nist.gov

    An official website of the United States government Here's how you know

    2026-05-23 21:34 UTC
  • web:portal.msrc.microsoft.com

    The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

    2026-05-23 21:34 UTC
  • web:support.sap.com

    SAP security Patch Day Bulletin

    2026-05-23 21:34 UTC
  • web:www.cisa.gov

    Fortinet Releases Guidance to Address Ongoing Exploitation of Authentication Bypass Vulnerability CVE - 2026 -24858

    2026-05-23 21:34 UTC
  • web:www.crowdstrike.com

    Microsoft's April 2026 Patch Tuesday addresses 164 CVEs , featuring 8 Critical vulnerabilities, one exploited zero-day, and one disclosed zero-day.

    2026-05-23 21:34 UTC
  • web:www.oracle.com

    This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.

    2026-05-23 21:34 UTC
  • web:zecurit.com

    Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .

    2026-05-23 21:34 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-0248.json.

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