What is CVE-2026-71205?

CVE-2026-71205 is a medium-severity vulnerability in Dgtlmoon Changedetection.io, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 6.5/10. Published 2026-08-05.

How severe is CVE-2026-71205?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2026-71205 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Dgtlmoon Changedetection.io

CVE-2026-71205

changedetection.io's /login route checks the submitted password against a single PBKDF2-HMAC-SHA256 hash with no per-IP or per-session rate limiting, failed-attempt counter, or lockout (no rate-limiting library is present in requirements.txt).

EPSS: 0.002 (11.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Dgtlmoon Changedetection.io — versions 0.55.7

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

Public proof-of-concept exploits

Nel-droid/CVE-2026-71205-PoC

References

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

Frequently asked questions

What is CVE-2026-71205?: CVE-2026-71205 is a medium-severity vulnerability in Dgtlmoon Changedetection.io, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 6.5/10. Published 2026-08-05.
How severe is CVE-2026-71205?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2026-71205 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.