Vulnerability · Published Sep 22, 2026 · Assigned by VulDB
CVE-2026-95271dgtlmoon changedetection.io Authentication Hook flask_app.py check_authentication improper authentication
High 7.3
In plain English
A high-severity improper authentication in changedetection.io from dgtlmoon. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| dgtlmoon | changedetection.io | 0.60.00.60.10.60.20.60.30.60.40.60.50.60.60.60.7 |
Weakness: CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-408339 | dgtlmoon changedetection.io Authentication Hook flask_app.py check_authentication improper authentication vdb-entry, technical-description
- VDB-408339 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-95271 | CVE Analysis and Report third-party-advisory
- Submit #896578 | dgtlmoon changedetection.io 0.55.8 CWE-287 (Improper Authentication) third-party-advisory
- https://github.com/herantong/cve/blob/main/changedetection.io_timing-attack_CWE-208.md exploit