CVE-2026-109390

critical · 9.8

AnyDesk before 8.0.3 allows unauthenticated remote attackers to execute arbitrary code via a heap-based buffer overflow, as demonstrated on Linux for command execution as root without the victim approving desktop control. In the stream packet handler for mode 5 in the session protocol, a payload length value is not validated.

9.8

CVSS

1.6%

EPSS (exploit prob.)

76th

EPSS percentile

2026-10-12

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-130

References

https://anydesk.com/en/changelog/linux
https://github.com/v12-security/pocs/tree/main/anydesk
https://github.com/v12-security/pocs/tree/main/anydesk

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-109390