# CVE-2026-78627: Improper Credential Protection in Okta Hyperdrive Integration Installer Logging

> An authenticated local user can read plaintext OAuth client secrets from installer logs and process command lines in Okta Hyperdrive Integration.

- **Severity:** High 7.3 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 8 Sep 2026
- **Updated:** 10 Sep 2026
- **Also known as:** GHSA-mm4c-wvrq-74qm

## What is CVE-2026-78627?

CVE-2026-78627 is a high-severity vulnerability in Okta Hyperdrive Integration Plugin, published on 8 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official 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.

Weakness: CWE-532 (Insertion of Sensitive Information into Log File)

## Which versions are affected by CVE-2026-78627?

It affects 1 product.


Products: Okta Hyperdrive.

## How do I fix CVE-2026-78627?

No fix has been published for CVE-2026-78627 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-78627 being exploited?

There is no known exploitation of CVE-2026-78627 in the wild and no public exploit code.

## Other vulnerabilities in Okta Hyperdrive Integration Plugin

- [CVE-2026-78574](https://insights.sbomify.com/CVE-2026-78574/): Improper Assembly Resolution in Okta Hyperdrive Integration Plugin Registry Handling (high 7.5)
- [CVE-2026-78629](https://insights.sbomify.com/CVE-2026-78629/): Improper Authentication Verification in the Okta Hyperdrive Agent MFA Response Handling (medium 5.6)
- [CVE-2026-78631](https://insights.sbomify.com/CVE-2026-78631/): Improper Restriction of Sensitive Information in Okta Hyperdrive Agent Logging (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-78627 and fix it if it is affected.

What it is: CVE-2026-78627 is a high-severity vulnerability in Okta Hyperdrive Integration Plugin, published on 8 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-78627 in the wild and no public exploit code.

Affected product: Okta Hyperdrive Integration Plugin. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-78627/ (Markdown: https://insights.sbomify.com/CVE-2026-78627/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-78627
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-78627
- OSV: https://osv.dev/vulnerability/CVE-2026-78627

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-78627/
Summaries are generated and may contain mistakes; the official description above is the record.