cbcvebase.
CVE-2026-22903
published 2026-02-09

CVE-2026-22903: An unauthenticated remote attacker can send a crafted HTTP request containing an overly long SESSIONID cookie. This can trigger a stack buffer overflow in the…

critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
An unauthenticated remote attacker can send a crafted HTTP request containing an overly long SESSIONID cookie. This can trigger a stack buffer overflow in the modified lighttpd server, causing it to crash and potentially enabling remote code execution due to missing stack protections.

Affected

4 ranges
VendorProductVersion rangeFixed in
wago0852-1322
wago0852-13220.0.0 – 2.64
wago0852-1328
wago0852-13280.0.0 – 2.64