How severe is CVE-2026-22569?

CVE-2026-22569 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-22569 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-22569?

CVE-2026-22569 affects Zscaler Client Connector. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-22569?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-22569 have an EU (EUVD) identifier?

Yes. CVE-2026-22569 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17478.

When was CVE-2026-22569 published?

CVE-2026-22569 was published on 2026-03-31 and last updated on 2026-06-17.

CVE-2026-22569

CVE-2026-22569 is a medium-severity vulnerability in Zscaler Client Connector with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1289.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-17478
Weakness: CWE-1289
Affected product: Zscaler Client Connector
Published: 2026-03-31
Last modified: 2026-06-17

Description

An incorrect startup configuration of affected versions of Zscaler Client Connector on Windows may cause a limited amount of traffic from being inspected under rare circumstances.

Frequently asked questions

What is CVE-2026-22569?: An incorrect startup configuration of affected versions of Zscaler Client Connector on Windows may cause a limited amount of traffic from being inspected under rare circumstances.
How severe is CVE-2026-22569?: CVE-2026-22569 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-22569 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-22569?: CVE-2026-22569 affects Zscaler Client Connector. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-22569?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-22569 have an EU (EUVD) identifier?: Yes. CVE-2026-22569 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17478.
When was CVE-2026-22569 published?: CVE-2026-22569 was published on 2026-03-31 and last updated on 2026-06-17.

References

https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2025

Affected products (1)

cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:windows:*:*

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