response.c in Lighttpd 1.4.10 and possibly previous versions, when run on Windows, allows remote attackers to read arbitrary source code via requests that contain trailing (1) "." (dot) and (2) space characters, which are ignored by Windows, as demonstrated by PHP files.
Severity
Medium 5.0
Published
6 Mar 2006
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
11% in the next 30 daysHigher than 95% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · No login needed
Attacker can
Read some data
CVSS vector
AV:N/AC:L/Au:N/C:P/I:N/A:N
Sources
NVD
Affected software
Software
Affected versions
lighttpdServers and applications · cpe:a:lighttpd:lighttpd