What is CVE-2026-71213?

CVE-2026-71213 is a critical-severity vulnerability in Typemill, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 9.1/10. Published 2026-08-05.

How severe is CVE-2026-71213?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Typemill

CVE-2026-71213

Typemill's login endpoint (POST /tm/login, ControllerWebAuth::login) performs no rate-limiting, failed-attempt counting, or account lockout when captcha is disabled, which is the default configuration. An unauthenticated attacker can send unlimited password-guessing requests against any account, including administrators, with no throttling.

Published 2026-08-05 · last modified 2026-08-26.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.005 (39.4th percentile), scored 2026-11-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Typemill — versions 0

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

References

309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (third-party-advisory)

Frequently asked questions

What is CVE-2026-71213?: CVE-2026-71213 is a critical-severity vulnerability in Typemill, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 9.1/10. Published 2026-08-05.
How severe is CVE-2026-71213?: Critical severity. CVSS v3 base score is 9.1 out of 10.