Improper Path Validation in Okta Access Gateway Kerberos Configuration Handling

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-78620
StatePUBLISHED
AssignerOkta
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-08 20:18:36 UTC
Updated2026-09-10 15:17:41 UTC
DescriptionThe Okta Access Gateway Kerberos configuration handler does not validate file paths specified in event payloads before writing file contents. The path from the event payload is used directly as the write destination, resulting in files being written to unintended locations on the appliance filesystem.

Risk And Classification

Primary CVSS: v3.1 5.9 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N

EPSS: 0.002510000 probability, percentile 0.164650000 (date 2026-09-10)

Problem Types: CWE-73 | CWE-73 External Control of File Name or Path

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
3.1CNADECLARED5.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Okta Okta Access Gateway affected 2026.9.1 semver Not specified

References

ReferenceSourceLinkTags
trust.okta.com/security-advisories/improper-path-validation-in-okta-access-g... [email protected] trust.okta.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: Upgrade the Okta Access Gateway appliance to version 2026.9.1 or greater.

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