7.5
HIGH CVSS 3.1
CVE-2026-59570
Android ZCC denial of service
Description

On affected versions of Zscaler client connector, a pre-installed peer app can tear down the Zscaler tunnel, force user logout, and toggle packet capture.

INFO

Published Date :

Sept. 14, 2026, 2:47 p.m.

Last Modified :

Sept. 14, 2026, 2:47 p.m.

Remotely Exploit :

No

Source :

Zscaler
Affected Products

The following products are affected by CVE-2026-59570 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Zscaler client_connector
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 73c6f63b-efac-410d-a0a9-569700f85a04
Solution
Update Zscaler Client Connector to a version that addresses tunnel disruption and unauthorized control.
  • Update Zscaler Client Connector to the latest version.
  • Verify secure installation of Zscaler Client Connector.
  • Remove or restrict pre-installed peer applications.
  • Monitor Zscaler tunnel stability.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-59570 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.