Quick answers
- Is CVE-2026-59569 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-59569 being exploited in the wild.
- How severe is CVE-2026-59569?
- High severity, with a CVSS score of 8.1, published 14 September 2026.
- Which products and versions are affected?
- Zscaler Client Connector <UNKNOWN>.
- Is there a fix for CVE-2026-59569?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-59569 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-59569?
- Check whether you run Zscaler Client Connector at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
The vulnerability is an improper input validation issue in Zscaler Client Connector affecting Android and ChromeOS platforms. The flaw permits an attacker to craft malicious input that bypasses Zscaler's security controls. The attack vector appears to be network-based, though specific preconditions and the exact mechanism for exploitation are not detailed in the available advisory content. Successful exploitation would allow circumvention of intended security policies enforced by the connector.
Affected products
- Zscaler Client Connector <UNKNOWN>
Timeline
- 2026-09-14: disclosed