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CVE-2026-78579: The Okta Access Gateway does not sanitize SAML assertion attribute values before interpolating them into LDAP

30
Routine
MEDIUM 6.8UPGRADE

CVE-2026-78579 is a medium-severity flaw (CVSS 6.8) 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 does not sanitize SAML assertion attribute values before interpolating them into LDAP search filters in the LDAP datastore configuration. The raw values are substituted directly into the filter string and passed to the LDAP search operation, resulting in modification of the intended query logic.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score6.8 (Medium)
Attack vectorNetwork (remote)
Attack complexityHigh
Privileges neededLow
User interactionNone
EPSS exploit chance0.3% (top 74%)
CISA exploited listNo
WeaknessCWE-90
Published2026-09-08
Last modified2026-09-23
Publisher (CNA): Okta · Vendor: okta

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Last updated 2026-09-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

okta access gateway UPGRADE
Affected: < 2026.9.1
Fixed in: 2026.9.1
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy access-gateway || rpm -q access-gateway || access-gateway --version
2. UPGRADE to 2026.9.1 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade access-gateway
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade access-gateway
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
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-2026-78579?

access gateway: upgrade to 2026.9.1. Exact commands for each OS are on this page.

Is CVE-2026-78579 being exploited?

CVE-2026-78579 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-2026-78579 affect?

CVE-2026-78579 affects access gateway. Severity is medium (CVSS 6.8). The Okta Access Gateway does not sanitize SAML assertion attribute values before interpolating them into LDAP search filters in the LDAP datastore configuration. The raw values are substituted directly into the filter string and passed to t

How urgent is CVE-2026-78579?

Priority 30/100. No elevated risk signals yet.

Software pages

Okta vulnerabilities

Related CVEs

References

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