PatchTheCVECVE-2026-78560: The Okta Access Gateway includes an optional pass-through authentication source that accepts user identity fro
CVE-2026-78560 is a medium-severity flaw (CVSS 4.8) 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 includes an optional pass-through authentication source that accepts user identity from a client-supplied HTTP header without cryptographic validation. In architectures where this optional source is enabled without an upstream reverse proxy or firewall configured to sanitize and enforce client headers, an unauthenticated user can supply an arbitrary identity value to initiate a session.
Why this priority
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.8 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 79%) |
| CISA exploited list | No |
| Weakness | CWE-287 |
| Published | 2026-09-08 |
| Last modified | 2026-09-23 |
Last updated 2026-09-23 · 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-2026-78560?
access gateway: upgrade to 2026.9.1. Exact commands for each OS are on this page.
Is CVE-2026-78560 being exploited?
CVE-2026-78560 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-2026-78560 affect?
CVE-2026-78560 affects access gateway. Severity is medium (CVSS 4.8). The Okta Access Gateway includes an optional pass-through authentication source that accepts user identity from a client-supplied HTTP header without cryptographic validation. In architectures where this optional source is enabled without a
How urgent is CVE-2026-78560?
Priority 27/100. Remotely exploitable, no login, no user action
Software pages
Related CVEs
- CVE-2026-78545 MEDIUM 6.6 UPGRADE The Okta Access Gateway does not sanitize the application label field before including it in the generated ngi
- CVE-2026-78550 MEDIUM 6.6 UPGRADE The Okta Access Gateway management console passes user-supplied input to eval() without sanitization during an
- CVE-2026-78579 MEDIUM 6.8 UPGRADE The Okta Access Gateway does not sanitize SAML assertion attribute values before interpolating them into LDAP
- CVE-2026-78552 MEDIUM 6.0 UPGRADE The Okta Access Gateway does not apply its Lua directive restriction to the application-level custom configura
- CVE-2026-78620 MEDIUM 5.9 UPGRADE The Okta Access Gateway Kerberos configuration handler does not validate file paths specified in event payload