What is CVE-2026-40606?

CVE-2026-40606 is a medium-severity vulnerability in Mitmproxy, classified under LDAP Injection. CVSS score: 4.8/10. Published 2026-04-21.

How severe is CVE-2026-40606?

Medium severity. CVSS v3 base score is 4.8 out of 10.

LDAP Injection in Mitmproxy

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 no…

EPSS: 0.001 (25.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Mitmproxy — versions < 12.2.2

Weakness classification (CWE)

CWE-90 — LDAP Injection

References

https://github.com/mitmproxy/mitmproxy/security/advisories/GHSA-527g-3w9m-29hv (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-40606?: CVE-2026-40606 is a medium-severity vulnerability in Mitmproxy, classified under LDAP Injection. CVSS score: 4.8/10. Published 2026-04-21.
How severe is CVE-2026-40606?: Medium severity. CVSS v3 base score is 4.8 out of 10.