CVE-2026-40606 — mitmproxy is a interactive TLS-capable intercepting HTTP
CVE-2026-40606 — mitmproxy is a interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers and mitmweb is a web-based interface for mitmproxy. In mitmproxy 12.2.1 and below, the builtin LDAP proxy authentication does not correctly sanitize the username when query
What This Means For You
- If your environment is affected by CWE-90, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-40606 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
2 rules · 6 SIEM formats2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
Bypass LDAP Authentication in mitmproxy - CVE-2026-40606
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-40606 | vulnerability | CVE-2026-40606 |
| CWE-90 | weakness | CWE-90 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | April 21, 2026 at 21:16 UTC |
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