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CVE-2026-9494

An information disclosure vulnerability exists in Canonical ubuntu-pro-client (formerly ubuntu-advantage-tools). The client validates Ubuntu Pro APT credentials by executing /usr/lib/apt/apt-helper using the download-file command. During this process, the secret bearer token is embedded directly in the cleartext URL component passed via the command-line arguments (argv), resulting in a URL format such as https://bearer:<token>@esm.ubuntu.com/.../. On systems utilizing a default-mounted /proc fil
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:aaceddc30d5fd63de47a09beae36e608a81609e182ab20b5556353f141d6db75
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 8 assertions

{"collectionURL":"https://github.com/canonical/","defaultStatus":"unaffected","packageName":"ubuntu-pro-client","platforms":["Linux"],"product":"ubuntu-pro-client (ubuntu-advantage-tools)","repo":"https://github.com/canonical/ubuntu-pro-client","vendor":"Canonical","versions":[{"lessThan":"37.3","status":"affected","version":"0","versionType":"python"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:119644dc549e21254b0a5c119c1b68a477f8bfb4e07b8c08a99fe19a16472f1d · sha256:7fdff738fe889650… · /containers/cna/affected/0

{"collectionURL":"https://launchpad.net/ubuntu/jammy","defaultStatus":"affected","packageName":"ubuntu-advantage-tools","platforms":["Linux"],"product":"Ubuntu 22.04 LTS","repo":"https://launchpad.net/ubuntu/+source/ubuntu-advantage-tools","vendor":"Canonical","versions":[{"status":"unaffected","version":"37.2ubuntu~22.04.1","versionType":"dpkg"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:119644dc549e21254b0a5c119c1b68a477f8bfb4e07b8c08a99fe19a16472f1d · sha256:7fdff738fe889650… · /containers/cna/affected/3

{"collectionURL":"https://launchpad.net/ubuntu/noble","defaultStatus":"affected","packageName":"ubuntu-advantage-tools","platforms":["Linux"],"product":"Ubuntu 24.04 LTS","repo":"https://launchpad.net/ubuntu/+source/ubuntu-advantage-tools","vendor":"Canonical","versions":[{"status":"unaffected","version":"37.2ubuntu~24.04.1","versionType":"dpkg"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:119644dc549e21254b0a5c119c1b68a477f8bfb4e07b8c08a99fe19a16472f1d · sha256:7fdff738fe889650… · /containers/cna/affected/2

{"collectionURL":"https://launchpad.net/ubuntu/bionic","defaultStatus":"affected","packageName":"ubuntu-advantage-tools","platforms":["Linux"],"product":"Ubuntu 18.04 LTS","repo":"https://launchpad.net/ubuntu/+source/ubuntu-advantage-tools","vendor":"Canonical","versions":[{"status":"unaffected","version":"37.1ubuntu0~18.04.1","versionType":"dpkg"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:119644dc549e21254b0a5c119c1b68a477f8bfb4e07b8c08a99fe19a16472f1d · sha256:7fdff738fe889650… · /containers/cna/affected/5

{"collectionURL":"https://launchpad.net/ubuntu/resolute","defaultStatus":"affected","packageName":"ubuntu-advantage-tools","platforms":["Linux"],"product":"Ubuntu 26.04 LTS","repo":"https://launchpad.net/ubuntu/+source/ubuntu-advantage-tools","vendor":"Canonical","versions":[{"status":"unaffected","version":"37.2ubuntu0.1","versionType":"dpkg"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:119644dc549e21254b0a5c119c1b68a477f8bfb4e07b8c08a99fe19a16472f1d · sha256:7fdff738fe889650… · /containers/cna/affected/1

{"collectionURL":"https://launchpad.net/ubuntu/focal","defaultStatus":"affected","packageName":"ubuntu-advantage-tools","platforms":["Linux"],"product":"Ubuntu 20.04 LTS","repo":"https://launchpad.net/ubuntu/+source/ubuntu-advantage-tools","vendor":"Canonical","versions":[{"status":"unaffected","version":"37.1ubuntu0~20.04.1","versionType":"dpkg"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:119644dc549e21254b0a5c119c1b68a477f8bfb4e07b8c08a99fe19a16472f1d · sha256:7fdff738fe889650… · /containers/cna/affected/4

{"collectionURL":"https://launchpad.net/ubuntu/xenial","defaultStatus":"affected","packageName":"ubuntu-advantage-tools","platforms":["Linux"],"product":"Ubuntu 16.04 LTS","repo":"https://launchpad.net/ubuntu/+source/ubuntu-advantage-tools","vendor":"Canonical","versions":[{"status":"unaffected","version":"37.1ubuntu0~16.04.1","versionType":"dpkg"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:119644dc549e21254b0a5c119c1b68a477f8bfb4e07b8c08a99fe19a16472f1d · sha256:7fdff738fe889650… · /containers/cna/affected/6

{"collectionURL":"https://launchpad.net/ubuntu/trusty","defaultStatus":"affected","packageName":"ubuntu-advantage-tools","platforms":["Linux"],"product":"Ubuntu 14.04 LTS","repo":"https://launchpad.net/ubuntu/+source/ubuntu-advantage-tools","vendor":"Canonical","versions":[{"status":"unaffected","version":"19.7ubuntu0.1","versionType":"dpkg"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:119644dc549e21254b0a5c119c1b68a477f8bfb4e07b8c08a99fe19a16472f1d · sha256:7fdff738fe889650… · /containers/cna/affected/7

Affected products and versions

8 source assertions
{"collectionURL":"https://github.com/canonical/","defaultStatus":"unaffected","packageName":"ubuntu-pro-client","platforms":["Linux"],"product":"ubuntu-pro-client (ubuntu-advantage-tools)","repo":"https://github.com/canonical/ubuntu-pro-client","vendor":"Canonical","versions":[{"lessThan":"37.3","status":"affected","version":"0","versionType":"python"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:119644dc549e21254b0a5c119c1b68a477f8bfb4e07b8c08a99fe19a16472f1d · sha256:7fdff738fe889650… · /containers/cna/affected/0
{"collectionURL":"https://launchpad.net/ubuntu/jammy","defaultStatus":"affected","packageName":"ubuntu-advantage-tools","platforms":["Linux"],"product":"Ubuntu 22.04 LTS","repo":"https://launchpad.net/ubuntu/+source/ubuntu-advantage-tools","vendor":"Canonical","versions":[{"status":"unaffected","version":"37.2ubuntu~22.04.1","versionType":"dpkg"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:119644dc549e21254b0a5c119c1b68a477f8bfb4e07b8c08a99fe19a16472f1d · sha256:7fdff738fe889650… · /containers/cna/affected/3
{"collectionURL":"https://launchpad.net/ubuntu/noble","defaultStatus":"affected","packageName":"ubuntu-advantage-tools","platforms":["Linux"],"product":"Ubuntu 24.04 LTS","repo":"https://launchpad.net/ubuntu/+source/ubuntu-advantage-tools","vendor":"Canonical","versions":[{"status":"unaffected","version":"37.2ubuntu~24.04.1","versionType":"dpkg"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:119644dc549e21254b0a5c119c1b68a477f8bfb4e07b8c08a99fe19a16472f1d · sha256:7fdff738fe889650… · /containers/cna/affected/2
{"collectionURL":"https://launchpad.net/ubuntu/bionic","defaultStatus":"affected","packageName":"ubuntu-advantage-tools","platforms":["Linux"],"product":"Ubuntu 18.04 LTS","repo":"https://launchpad.net/ubuntu/+source/ubuntu-advantage-tools","vendor":"Canonical","versions":[{"status":"unaffected","version":"37.1ubuntu0~18.04.1","versionType":"dpkg"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:119644dc549e21254b0a5c119c1b68a477f8bfb4e07b8c08a99fe19a16472f1d · sha256:7fdff738fe889650… · /containers/cna/affected/5
{"collectionURL":"https://launchpad.net/ubuntu/resolute","defaultStatus":"affected","packageName":"ubuntu-advantage-tools","platforms":["Linux"],"product":"Ubuntu 26.04 LTS","repo":"https://launchpad.net/ubuntu/+source/ubuntu-advantage-tools","vendor":"Canonical","versions":[{"status":"unaffected","version":"37.2ubuntu0.1","versionType":"dpkg"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:119644dc549e21254b0a5c119c1b68a477f8bfb4e07b8c08a99fe19a16472f1d · sha256:7fdff738fe889650… · /containers/cna/affected/1
{"collectionURL":"https://launchpad.net/ubuntu/focal","defaultStatus":"affected","packageName":"ubuntu-advantage-tools","platforms":["Linux"],"product":"Ubuntu 20.04 LTS","repo":"https://launchpad.net/ubuntu/+source/ubuntu-advantage-tools","vendor":"Canonical","versions":[{"status":"unaffected","version":"37.1ubuntu0~20.04.1","versionType":"dpkg"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:119644dc549e21254b0a5c119c1b68a477f8bfb4e07b8c08a99fe19a16472f1d · sha256:7fdff738fe889650… · /containers/cna/affected/4
{"collectionURL":"https://launchpad.net/ubuntu/xenial","defaultStatus":"affected","packageName":"ubuntu-advantage-tools","platforms":["Linux"],"product":"Ubuntu 16.04 LTS","repo":"https://launchpad.net/ubuntu/+source/ubuntu-advantage-tools","vendor":"Canonical","versions":[{"status":"unaffected","version":"37.1ubuntu0~16.04.1","versionType":"dpkg"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:119644dc549e21254b0a5c119c1b68a477f8bfb4e07b8c08a99fe19a16472f1d · sha256:7fdff738fe889650… · /containers/cna/affected/6
{"collectionURL":"https://launchpad.net/ubuntu/trusty","defaultStatus":"affected","packageName":"ubuntu-advantage-tools","platforms":["Linux"],"product":"Ubuntu 14.04 LTS","repo":"https://launchpad.net/ubuntu/+source/ubuntu-advantage-tools","vendor":"Canonical","versions":[{"status":"unaffected","version":"19.7ubuntu0.1","versionType":"dpkg"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:119644dc549e21254b0a5c119c1b68a477f8bfb4e07b8c08a99fe19a16472f1d · sha256:7fdff738fe889650… · /containers/cna/affected/7

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":5.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:119644dc549e21254b0a5c119c1b68a477f8bfb4e07b8c08a99fe19a16472f1d · sha256:7fdff738fe889650… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-214","description":"CWE-214 Invocation of process using visible sensitive information","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:119644dc549e21254b0a5c119c1b68a477f8bfb4e07b8c08a99fe19a16472f1d · sha256:7fdff738fe889650… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"tags":["vdb-entry"],"url":"https://ubuntu.com/security/CVE-2026-9494"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:119644dc549e21254b0a5c119c1b68a477f8bfb4e07b8c08a99fe19a16472f1d · sha256:7fdff738fe889650… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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