# ubuntu-pro-client Information Disclosure via Cleartext Bearer Token Exposure in Process Command Line

CVE record · `CVE-2026-9494`

- **Identifiers:** `CVE-2026-9494`
- **State:** Confirmed
- **Severity:** CVSS 5.5 Medium
- **Critical:** No
- **CNA:** canonical
- **Weakness (CWE):** [CWE-214](https://cwe.mitre.org/data/definitions/214.html)
- **Tags:** [CWE-214](https://agentprime.io/advisories/tag/cwe-214.md)
- **Technologies:** [Canonical ubuntu-pro-client (ubuntu-advantage-tools)](https://agentprime.io/advisories/technology/canonical-ubuntu-pro-client-ubuntu-advantage-tools.md) · [Canonical Ubuntu 26.04 LTS](https://agentprime.io/advisories/technology/canonical-ubuntu-26-04-lts.md) · [Canonical Ubuntu 24.04 LTS](https://agentprime.io/advisories/technology/canonical-ubuntu-24-04-lts.md) · [Canonical Ubuntu 22.04 LTS](https://agentprime.io/advisories/technology/canonical-ubuntu-22-04-lts.md) · [Canonical Ubuntu 20.04 LTS](https://agentprime.io/advisories/technology/canonical-ubuntu-20-04-lts.md) · [Canonical Ubuntu 18.04 LTS](https://agentprime.io/advisories/technology/canonical-ubuntu-18-04-lts.md) · [Canonical Ubuntu 16.04 LTS](https://agentprime.io/advisories/technology/canonical-ubuntu-16-04-lts.md) · [Canonical Ubuntu 14.04 LTS](https://agentprime.io/advisories/technology/canonical-ubuntu-14-04-lts.md)
- **Published:** 16 Jul 2026
- **Updated:** 16 Jul 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: canonical) at 16 Jul 2026, 12:12 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Canonical. Product: ubuntu-pro-client (ubuntu-advantage-tools).
  - affected: `before 37.3` (python)
  - Other versions: unaffected
  - Package name: `ubuntu-pro-client`
  - Collection: `https://github.com/canonical/`
- Vendor: Canonical. Product: Ubuntu 26.04 LTS.
  - unaffected: `37.2ubuntu0.1` (dpkg)
  - Other versions: affected
  - Package name: `ubuntu-advantage-tools`
  - Collection: `https://launchpad.net/ubuntu/resolute`
- Vendor: Canonical. Product: Ubuntu 24.04 LTS.
  - unaffected: `37.2ubuntu~24.04.1` (dpkg)
  - Other versions: affected
  - Package name: `ubuntu-advantage-tools`
  - Collection: `https://launchpad.net/ubuntu/noble`
- Vendor: Canonical. Product: Ubuntu 22.04 LTS.
  - unaffected: `37.2ubuntu~22.04.1` (dpkg)
  - Other versions: affected
  - Package name: `ubuntu-advantage-tools`
  - Collection: `https://launchpad.net/ubuntu/jammy`
- Vendor: Canonical. Product: Ubuntu 20.04 LTS.
  - unaffected: `37.1ubuntu0~20.04.1` (dpkg)
  - Other versions: affected
  - Package name: `ubuntu-advantage-tools`
  - Collection: `https://launchpad.net/ubuntu/focal`
- Vendor: Canonical. Product: Ubuntu 18.04 LTS.
  - unaffected: `37.1ubuntu0~18.04.1` (dpkg)
  - Other versions: affected
  - Package name: `ubuntu-advantage-tools`
  - Collection: `https://launchpad.net/ubuntu/bionic`
- Vendor: Canonical. Product: Ubuntu 16.04 LTS.
  - unaffected: `37.1ubuntu0~16.04.1` (dpkg)
  - Other versions: affected
  - Package name: `ubuntu-advantage-tools`
  - Collection: `https://launchpad.net/ubuntu/xenial`
- Vendor: Canonical. Product: Ubuntu 14.04 LTS.
  - unaffected: `19.7ubuntu0.1` (dpkg)
  - Other versions: affected
  - Package name: `ubuntu-advantage-tools`
  - Collection: `https://launchpad.net/ubuntu/trusty`

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 5.5 Medium, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N`, from CNA (canonical)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0015, the 3rd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 16 Jul 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-9494](https://www.cve.org/CVERecord?id=CVE-2026-9494)
- [NVD: CVE-2026-9494](https://nvd.nist.gov/vuln/detail/CVE-2026-9494)

### References from the CNA

- <https://ubuntu.com/security/CVE-2026-9494> (vdb-entry)

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2026-9494>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2026-9494/>. Everything for agents: <https://agentprime.io/llms.txt>.