Improper Path Validation in Okta Access Gateway Backup and Restore Functionality

published 2026-09-08 2 mo ago modified 2026-09-22 47 d ago also EUVD-2026-74172

cvss: 4.9; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 39%
public exploits: 0; none known

The Okta Access Gateway backup restore function does not validate the filename embedded in an encrypted backup payload. This results in writing file contents to unintended locations on the appliance filesystem.

Patch / fix

fixed in 1

Okta Okta Access Gateway 2026.9.1

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 59 d ago (2026-09-10)

Exploit prediction

0.46% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.9	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
NVD	3.1	4.9	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Affected products

Okta Okta Access Gateway

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

trust.okta.com /security-advisories/improper-path-validation-in-okta-access-gateway-backup-and-restore-functionality-cve-2026
vendor-advisory

Sources

CVE List CVE-2026-78624
NVD CVE-2026-78624

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary