Validation Bypass in Okta Access Gateway Custom Directives
Published Sep 8, 2026
6.0
MEDIUMCVSS 3.1
EPSS 0.27%
Description
The Okta Access Gateway does not apply its Lua directive restriction to the application-level custom configuration field. The field is interpolated directly into the nginx server block without inspection, resulting in execution of injected directives.
Affected products
-
- Version 0StatusaffectedConstraints<2026.9.1
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Okta | Okta Access Gateway | unaffected |
|
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
Upgrade the Okta Access Gateway appliance to version 2026.9.1 or greater.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:L
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Sep 10, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
Sep–Oct 2026- EPSS v5
Percentile over time
- EPSS v5
Table of values (2 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.27% (0.00274) | 17.94th | v5 (v2026.06.15) |
| Sep 9, 2026 | 0.33% (0.00329) | 25.80th | v5 (v2026.06.15) |
References (1)
Change history (0)
No recorded changes yet.