PatchTheCVECVE-2026-78620: The Okta Access Gateway Kerberos configuration handler does not validate file paths specified in event payload
CVE-2026-78620 is a medium-severity flaw (CVSS 5.9) affecting access gateway. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.9 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 73%) |
| CISA exploited list | No |
| Weakness | CWE-73 |
| Published | 2026-09-08 |
| Last modified | 2026-09-22 |
Last updated 2026-09-22 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-78620?
access gateway: upgrade to 2026.9.1. Exact commands for each OS are on this page.
Is CVE-2026-78620 being exploited?
CVE-2026-78620 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-78620 affect?
CVE-2026-78620 affects access gateway. Severity is medium (CVSS 5.9). 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 bein
How urgent is CVE-2026-78620?
Priority 27/100. No elevated risk signals yet.
Software pages
Related CVEs
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- CVE-2026-78579 MEDIUM 6.8 UPGRADE The Okta Access Gateway does not sanitize SAML assertion attribute values before interpolating them into LDAP
- CVE-2026-78560 MEDIUM 4.8 UPGRADE The Okta Access Gateway includes an optional pass-through authentication source that accepts user identity fro
- CVE-2026-78552 MEDIUM 6.0 UPGRADE The Okta Access Gateway does not apply its Lua directive restriction to the application-level custom configura