Auth bypass in Dgtlmoon Changedetection.io
CVE-2026-95271
A vulnerability has been found in dgtlmoon changedetection.io up to 0.60.7. The impacted element is the function check_authentication of the file changedetectionio/flask_app.py of the component Authentication Hook. Such manipulation leads to improper authentication. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Dgtlmoon Changedetection.io — versions 0.60.0, 0.60.1, 0.60.2
Weakness classification (CWE)
References
- vuldb.com/vuln/408339 (technical-description, vdb-entry)
- vuldb.com/vuln/408339/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-95271 (third-party-advisory)
- vuldb.com/submit/896578 (third-party-advisory)
- github.com/herantong/cve/blob/main/changedetection.io_timing-attack_CWE-208.md (exploit)
Frequently asked questions
- What is CVE-2026-95271?
- CVE-2026-95271 is a high-severity vulnerability in Dgtlmoon Changedetection.io, classified under Improper Authentication. CVSS score: 7.3/10. Published 2026-09-22.
- How severe is CVE-2026-95271?
- High severity. CVSS v3 base score is 7.3 out of 10.