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Multiple Vulnerabilities Found in Ubuntu Advantage Tools

Multiple Vulnerabilities Found in Ubuntu Advantage Tools

First seen 16 Jul 2026, 16:12 UTC • •
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ThreatCluster AI
ThreatCluster •July 17, 2026 at 14:34 UTC
  • •Three critical vulnerabilities were found in Ubuntu Advantage Tools affecting multiple LTS versions.
  • •CVE-2026-9494 allows local attackers to access sensitive information via exposed Pro bearer tokens.
  • •Immediate updates are recommended to mitigate the risks associated with these vulnerabilities.

On July 16, 2026, several vulnerabilities were disclosed in Ubuntu Advantage Tools, impacting various Ubuntu LTS versions. Bilal Teke identified that the Pro bearer token was exposed in command-line arguments, allowing local attackers to access sensitive information (CVE-2026-9494). Frederick Jerusha found that improper validation of data from the contract server could enable arbitrary code execution through APT source files (CVE-2026-11386). Additionally, Mateusz Gierblinski reported that symbolic link handling issues could expose sensitive files to local attackers (CVE-2026-12391). The vulnerabilities affect Ubuntu 16.04 LTS through 26.04 LTS. Users are advised to update their systems to mitigate these risks.

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Timeline

2026-07-16
CVE-2026-9494 published
Bilal Teke discovered that Ubuntu Advantage Tools exposed the Pro bearer token in command-line arguments, allowing unauthorized access to repositories.
Ubuntu
2026-07-16
CVE-2026-11386 published
Frederick Jerusha found that the contract server data was not properly validated, enabling arbitrary code execution.
Ubuntu
2026-07-16
CVE-2026-12391 published
Mateusz Gierblinski reported issues with symbolic link handling, potentially exposing sensitive files to local attackers.
Ubuntu

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