High (7.5). EPSS 9.9% chance of exploitation in the next 30 days.
mod_auth in lighttpd before 1.4.36 allows remote attackers to inject arbitrary log entries via a basic HTTP authentication string without a colon character, as demonstrated by a string containing a NULL and new line character.
Severity
CVSS 3.0
7.5 high
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
9.9% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-10-31)