VULNERABILITY INTELLIGENCE
CVE-2026-86189
CVSS score9.3 CRITICAL
EPSS probability0.71%
CISA KEVNot currently listed
Published2026-09-05
Last modified2026-09-18
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Description
WWBN AVideo contains a path traversal vulnerability in notify.ffmpeg.json.php that allows unauthenticated attackers to write files to arbitrary locations by supplying a caller-chosen path in the avideoRelativePath parameter. Attackers can replay any previously issued ciphertext as a notifyCode token, which is decrypted but never validated, to bypass authentication and write files to the application root and subdirectories.
Weakness classification
- CWE-73: External Control of File Name or Path