CVE-2026-78620: External Control of File Name or Path in Okta Okta Access Gateway
Description
The 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.
CVSS v3.1
Score 5.9medium
Affected software
Okta
Okta Access Gateway
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The 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, which can result in files being written to unintended locations on the appliance filesystem. This improper validation could lead to unauthorized file writes if an attacker has the necessary privileges to send crafted event payloads.
Potential Impact
Successful exploitation could allow an attacker with high privileges to write files to arbitrary locations on the Okta Access Gateway appliance filesystem, potentially leading to unauthorized modification or persistence. The vulnerability does not directly impact availability but has high confidentiality and integrity impact according to the CVSS vector.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the current data. Until a patch is available, restrict access to the Okta Access Gateway appliance and limit privileges to trusted administrators to reduce risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Okta
- Date Reserved
- 2026-08-24T21:48:06.335Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aa06e9bacd9273b492e1354
Added to database: 09/08/2026, 20:22:51 UTC
Last enriched: 09/16/2026, 01:50:21 UTC
Last updated: 10/23/2026, 15:10:15 UTC
Views: 55
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