Authentication Bypass by Capture-replay in scapy - #VU148428
Published: September 9, 2026
Vulnerability identifier: #VU148428
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-294
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to repeat high-integrity server-side file operations.
The vulnerability exists due to authentication bypass by capture-replay in the Scapy SMB server when processing a captured authenticated SMB request. A remote attacker can replay a captured authenticated request to repeat high-integrity server-side file operations.
Affected software
scapy
Remediation
Install security update from vendor's website.
scapy - update to 2.8.0