GHSA-527g-3w9m-29hv
Medium · 4.8LDAP Injection in mitmproxy
CVSS
4.8
EPSS
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Published
Apr 14, 2026
CISA due date
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The record
In mitmproxy 12.2.1 and below, the builtin LDAP proxy authentication does not correctly sanitize the username when querying the LDAP server. This allows a malicious client to bypass authentication. Only mitmproxy instances using the `proxyauth` option with LDAP are affected. This option is not enabled by default.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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Related vulnerabilities
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