ZIA Admin UI Input Validation Bug

published 2026-02-23 8 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-7563

cvss: 7.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 13%
public exploits: 0; none known

Improper validation of user-supplied input in the ZIA Admin UI could allow an authenticated administrator to initiate backend functions through specific input fields in limited scenarios.

Patch / fix

fixed in 1

Zscaler ZIA Admin UI 6.2r

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 8 mo ago (2026-02-23)

Exploit prediction

0.22% chance of exploitation in the next 30 days, higher than 13% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.6	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N
NVD	3.1	2.7	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

Affected products

Zscaler ZIA Admin UI

Classification

Weakness

CWE-20 Improper Input Validation

References

help.zscaler.com /zia/release-upgrade-summary-2025?applicable_category=zscalertwo.net&deployment_date=2025-12-17&id=1538575
release-notes, vendor-advisory

Sources

CVE List CVE-2026-22567
NVD CVE-2026-22567

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary