High severity · published Sep 8, 2026
CVE-2026-78545
Improper Input Sanitization in Okta Access Gateway Application Label Configuration
7.2
CVSS
0.4%
EPSS
No
On KEV
Description
The Okta Access Gateway does not sanitize the application label field before including it in the generated nginx configuration file. The unsanitized value is interpolated into an nginx server block directive, resulting in execution of injected directives.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OA
Okta Access Gateway · Okta
before 2026.9.1 · source: vendor
AG
Access Gateway · Okta
before 2026.9.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-78545
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-78545
Vendor Advisory
https://trust.okta.com/security-advisories/improper-input-sanitization-in-okta-access-gateway-application-label-configuration-cve-2026-78545/
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