Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV L L L N U H N N 5.5 .0014 2.6 —
AFFECTED Product Versions Fixed Okta Hyperdrive Agent 1.4.0 – —
TIMELINE Aug 24 Reserved by Okta Sep 8 Published (CNA: Okta) Sep 22 RESCORED — CVE-2026-78631 (Okta Hyperdrive Agent). CVSS 5.3 → 5.5 (NVD).
The Okta Hyperdrive Agent writes the decoded SAML bearer assertion to a local application log file at the default log level on every successful MFA completion. This insertion of sensitive information into the log file makes a live authentication credential readable by any local user with access to the log file.
| Date | Event | Detail |
|---|---|---|
| August 24, 2026 | Reserved | Reserved by Okta |
| September 8, 2026 | Published | Published (CNA: Okta) |
| September 22, 2026 | RESCORED | RESCORED — CVE-2026-78631 (Okta Hyperdrive Agent). CVSS 5.3 → 5.5 (NVD). |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| Okta | Okta Hyperdrive Agent | — | 1.4.0 | — |
Authoritative record: CVE-2026-78631 at cve.org
Vendors: okta
Weaknesses: CWE-532
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-78631 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
