Improper Input Sanitization in Okta Access Gateway Application Label Configuration
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-94.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Okta Access Gateway (Okta) Fixed in 2026.9.1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Okta Access Gateway 2026.9.1
11 records Highest priority Priority MEDIUM 1 MEDIUM, 10 LOW
Other records, highest priority first
- TI-2026-54670 Improper Handling of SAML Assertion Attributes in Okta Access Gateway Advanced Mode DatastoresPriority MEDIUM 43
- TI-2026-54673 Improper Input Sanitization in Okta Access Gateway Protected RulesPriority LOW 37
- TI-2026-54618 Improper Input Handling in Okta Access Gateway Management Console Exception HandlerPriority LOW 34
Timeline
- 2026-10-02 Threatist record created from CVE-2026-78545
- 2026-10-03 Alias added: GHSA-r66p-gcff-8wm2
References
More Okta Access Gateway vulnerabilities
- TI-2021-09349 A command injection vulnerability in the cookieDomain and relayDomain parameters of Okta… CVSS 3.1MEDIUM 6.7
- TI-2026-54670 Improper Handling of SAML Assertion Attributes in Okta Access Gateway Advanced Mode Datastores CVSS 3.1CRITICAL 9.9
- TI-2026-54673 Improper Input Sanitization in Okta Access Gateway Protected Rules CVSS 3.1HIGH 8.1
- TI-2026-54618 Improper Input Handling in Okta Access Gateway Management Console Exception Handler CVSS 3.1HIGH 7.2
- TI-2026-54631 Improper Input Sanitization in Okta Access Gateway LDAP Datastore Filter Interpolation CVSS 3.1MEDIUM 6.8
- TI-2026-54676 Improper Input Neutralization in Okta Access Gateway SNMP Configuration Processing CVSS 3.1MEDIUM 6.7
Sources
- CVE-2026-78545 · CVE Program
- CVE-2026-78545 · NVD
- FIRST EPSS
- GHSA-r66p-gcff-8wm2 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences