Information Exposure Through an Error Message in AVideo - CVE-2026-43873
Published: April 27, 2026 / Updated: April 27, 2026
Vulnerability identifier: #VU128024
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-43873
CWE-ID: CWE-209
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to error echo in "cloneClient.json.php". A remote attacker can retrieve the CloneSite shared secret (myKey) on the target system.
Affected software
AVideo
How to mitigate CVE-2026-43873
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.