{"id":"CVE-2026-19042","aliases":["EUVD-2026-66381","GHSA-hv9x-3jwv-hvm4"],"status":"published","title":"Command Injection in TeamViewer Desktop Client for Linux through Chat Link Handling","description":"A command injection vulnerability in TeamViewer Full\nClient and Host for Linux prior to version 15.81.5 allows a remote attacker to\nexecute arbitrary commands in the context of the current user via a specially\ncrafted URL sent through the out-of-session chat feature. Exploitation requires\nuser interaction by clicking the malicious link.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01763,"percentile":0.78227,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2026-08-26T09:16:13Z","modified":"2026-09-01T21:31:26Z","products":[{"vendor":"nagios","product":"host"},{"vendor":"teamviewer","product":"full client"},{"vendor":"teamviewer","product":"host"}],"references":[{"url":"https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1009/","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-19042"},{"url":"https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1009"},{"url":"https://github.com/advisories/GHSA-hv9x-3jwv-hvm4"}],"sources":{"cve":[{"id":"CVE-2026-19042","title":"Command Injection in TeamViewer Desktop Client for Linux through Chat Link Handling","description":"A command injection vulnerability in TeamViewer Full\nClient and Host for Linux prior to version 15.81.5 allows a remote attacker to\nexecute arbitrary commands in the context of the current user via a specially\ncrafted URL sent through the out-of-session chat feature. Exploitation requires\nuser interaction by clicking the malicious link.","status":"published","published":"2026-08-26T09:16:13.127Z","modified":"2026-08-26T13:02:05.302Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T13:47:06.353366Z"}],"euvd":[{"id":"EUVD-2026-66381","description":"A command injection vulnerability in TeamViewer Full\nClient and Host for Linux prior to version 15.81.5 allows a remote attacker to\nexecute arbitrary commands in the context of the current user via a specially\ncrafted URL sent through the out-of-session chat feature. Exploitation requires\nuser interaction by clicking the malicious link.","status":"published","published":"2026-08-26T09:16:13Z","modified":"2026-08-26T13:02:05Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:01:31.267984Z"}],"ghsa":[{"id":"GHSA-hv9x-3jwv-hvm4","title":"A command injection vulnerability in TeamViewer Full\nClient and Host for Linux prior to version...","description":"A command injection vulnerability in TeamViewer Full\nClient and Host for Linux prior to version 15.81.5 allows a remote attacker to\nexecute arbitrary commands in the context of the current user via a specially\ncrafted URL sent through the out-of-session chat feature. Exploitation requires\nuser interaction by clicking the malicious link.","status":"published","published":"2026-09-01T21:31:25Z","modified":"2026-09-01T21:31:26Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:11:14.651489Z"}],"nvd":[{"id":"CVE-2026-19042","description":"A command injection vulnerability in TeamViewer Full\nClient and Host for Linux prior to version 15.81.5 allows a remote attacker to\nexecute arbitrary commands in the context of the current user via a specially\ncrafted URL sent through the out-of-session chat feature. Exploitation requires\nuser interaction by clicking the malicious link.","status":"published","published":"2026-08-26T10:16:40.323Z","modified":"2026-09-01T20:50:58.753Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:12:41.66469Z"}]}}