CVE-2026-78627
CVE-2026-78627 is a high-severity vulnerability in Okta Hyperdrive with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-532.
Key facts
- Severity: High (CVSS 3.x base score 7.3)
- EPSS exploit prediction: 0% (3rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-532
- Affected product: Okta Hyperdrive
- Published:
- Last modified:
Description
The Okta Hyperdrive Integration installer does not mask the OAuth client secret when passed as an MSI property. The credential is recorded in plaintext in the installer log, the Application Event Log, and the process command line, all of which are readable by an authenticated local user on the workstation.
Frequently asked questions
- What is CVE-2026-78627?
- The Okta Hyperdrive Integration installer does not mask the OAuth client secret when passed as an MSI property. The credential is recorded in plaintext in the installer log, the Application Event Log, and the process command line, all of which are readable by an authenticated local user on the workstation.
- How severe is CVE-2026-78627?
- CVE-2026-78627 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
- Is CVE-2026-78627 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-78627?
- CVE-2026-78627 affects Okta Hyperdrive. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-78627?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2026-78627 published?
- CVE-2026-78627 was published on 2026-09-08 and last updated on 2026-09-22.
References
Affected products (1)
- cpe:2.3:a:okta:hyperdrive:*:*:*:*:*:*:*:*
More vulnerabilities in Okta Hyperdrive
- CVE-2026-78574 — High (CVSS 7.5): The Okta Hyperdrive Integration plugin resolves a required assembly using a registry path within the current user's…
- CVE-2026-78629 — Medium (CVSS 5.6): The Okta Hyperdrive agent plugin returns a success response without a signed SAML assertion when the organization's…
- CVE-2026-78631 — Medium (CVSS 5.3): The Okta Hyperdrive Agent writes the decoded SAML bearer assertion to a local application log file at the default log…
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