CVE-2026-5078

A flaw was found in the morgan HTTP request logging middleware. The :remote-user token writes the Basic auth username to access logs without neutralizing CR/LF control characters. An unauthenticated remote attacker can inject forged log lines via a crafted Authorization header, breaking...

Improper Output Neutralization for Logs

Overview org.webjars.npm:morgan is a HTTP request logger middleware for node.js. Affected versions of this package are vulnerable to Improper Output Neutralization for Logs via the :remote-user token, which extracts the Basic auth username from the Authorization header and writes it to the log...

UBUNTU-CVE-2026-5078

Impact: The morgan logging middleware's :remote-user token extracts the Basic auth username from the Authorization request header and writes it to the log stream without neutralizing control characters. An unauthenticated attacker can send a crafted Authorization Basic header containing CR or LF...

CVE-2026-5078

Impact: The morgan logging middleware's :remote-user token extracts the Basic auth username from the Authorization request header and writes it to the log stream without neutralizing control characters. An unauthenticated attacker can send a crafted Authorization Basic header containing CR or LF...

CVE-2026-5078

CVE-2026-5078 affects the morgan logging middleware; versions 1.2.0 through 1.10.1 write the Basic auth username from the Authorization header into logs without neutralizing CR/LF control characters, enabling log forgery. Affected formats include built-in combined, common, default, short, and any...

CVE-2026-5078 morgan vulnerable to Log Forging via unneutralized control characters in :remote-user

Impact: The morgan logging middleware's :remote-user token extracts the Basic auth username from the Authorization request header and writes it to the log stream without neutralizing control characters. An unauthenticated attacker can send a crafted Authorization Basic header containing CR or LF...

EUVD-2026-34067

Impact: The morgan logging middleware's :remote-user token extracts the Basic auth username from the Authorization request header and writes it to the log stream without neutralizing control characters. An unauthenticated attacker can send a crafted Authorization Basic header containing CR or LF...

CVE-2026-5078 morgan vulnerable to Log Forging via unneutralized control characters in :remote-user

Impact: The morgan logging middleware's :remote-user token extracts the Basic auth username from the Authorization request header and writes it to the log stream without neutralizing control characters. An unauthenticated attacker can send a crafted Authorization Basic header containing CR or LF...

morgan 安全漏洞

Morgan is an open-source HTTP request logging middleware developed by ExpressJS. Versions 1.2.0 to 1.10.1 of Morgan contain security vulnerabilities. These vulnerabilities stem from the remoteuser token not being escaped with control characters, which may lead to log manipulation...