Medium severity · published Sep 8, 2026
CVE-2026-78620
Improper Path Validation in Okta Access Gateway Kerberos Configuration Handling
4.9
CVSS
0.3%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 27% 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-2026-78620
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-78620
Vendor Advisory
https://trust.okta.com/security-advisories/improper-path-validation-in-okta-access-gateway-kerberos-configuration-handling-cve-2026-78620
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