Vulnerability Database · PyPI · mitmproxy · Version
mitmproxy 5.1.1
5.1.1 is affected by 9 vulnerabilities.
The vulnerabilities that cover this exact version are listed below with the fixed version to move to.
Critical 2 High 2 Medium 3 Low 0 Unrated 2
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Released 13 Apr 2020
Licence MIT
Also known from other sources 9
Newer releases 87
Database updated 23/Oct/2026
Release and licence data published by PyPI. Licence information is not legal advice.
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01 Vulnerabilities affecting this version
mitmproxy 5.1.1 vulnerabilities
9 vulnerabilities cover mitmproxy 5.1.1. Open the full list in the database.
| Vulnerability | Severity | Fixed version | Disclosed |
|---|---|---|---|
| CVE-2022-24766: Insufficient Protection against HTTP Request Smuggling in mitmproxy | 9.8 critical | 8.0.0 | 22 Mar 2022 |
| CVE-2025-23217: mitmproxy API Authentication Bypass Vulnerability | 8.2 high | 11.1.2 | 07 Jul 2026 |
| CVE-2025-23217: mitmproxy API Authentication Bypass Vulnerability | 8.2 high | 11.1.2 | 06 Feb 2025 |
| CVE-2021-39214: Lacking Protection against HTTP Request Smuggling in mitmproxy | 8.1 critical | 7.0.3 | 20 Sep 2021 |
| Moderate Vulnerability in mitmproxy: HTTP/2 Header Validation Flaw | 6.9 medium | 12.1.2 | 25 Aug 2025 |
| CVE-2026-40606: mitmproxy LDAP Authentication Bypass Vulnerability | 4.8 medium | 12.2.2 | 21 Apr 2026 |
| LDAP Injection Vulnerability in mitmproxy: Bypass Authentication Risk | 4.8 medium | 12.2.2 | 14 Apr 2026 |
| CVE-2022-24766: HTTP Request Smuggling in mitmproxy | N/A unrated | b06fb6d157087d526bd02e7aadbe37c56865c71b | 21 Mar 2022 |
| CVE-2021-39214: HTTP Request Smuggling in mitmproxy | N/A unrated | 7.0.3 | 16 Sep 2021 |
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Questions
About mitmproxy 5.1.1
Is mitmproxy 5.1.1 vulnerable?
Yes. 9 vulnerabilities in the Vulert database cover mitmproxy 5.1.1: 2 critical, 2 high, 3 medium and 0 low, plus 2 not yet rated. Each entry above names the fixed version to move to.
Is 5.1.1 the latest release of mitmproxy?
No. 5.1.1 was published 13 Apr 2020, and newer releases exist. Newer is not automatically safer — the version table on the package page shows what each release carries.
How do I monitor mitmproxy for upcoming vulnerabilities?
Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the mitmproxy version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.