TI-2026-63500 Aliases CVE-2026-95271 GHSA-3xg4-jrjp-f8g4

dgtlmoon changedetection.io Authentication Hook flask_app.py check_authentication improper authentication

HIGH 70CWE-287Published 2026-09-22 · Updated 2026-09-22

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Security bypass
Confidentiality · integrity · availability: Low · Low · Low
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-287.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00654 51st percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
dgtlmoon	changedetection.io	0.60.0; 0.60.1; 0.60.2; 0.60.3; 0.60.4; 0.60.5; 0.60.6; 0.60.7	—	No fix listed	CNA

changedetection.io Vendordgtlmoon Affected 0.60.0; 0.60.1; 0.60.2; 0.60.3; 0.60.4; 0.60.5; 0.60.6; 0.60.7 Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:dgtlmoon:changedetection.io::::::::	—	—	—

cpe:2.3:a:dgtlmoon:changedetection.io:*:*:*:*:*:*:*:* Versions — — ·—

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-95271
2026-10-03 Alias added: GHSA-3xg4-jrjp-f8g4
2026-10-13 EPSS moved to the 50th–90th percentile

References

Exploit 1

https://github.com/herantong/cve/blob/main/changedetection.io_timing-attack_CWE-208.md

TI-2024-21533 Server Side Template Injection in Jinja2 allows Remote Command Execution CVSS 3.1CRITICAL 10.0
TI-2026-27619 changedetection.io has an Authentication Bypass via Decorator Ordering CVSS 3.1CRITICAL 9.8
TI-2026-23210 changedetection.io: Zip Slip vulnerability in the backup restore functionality CVSS 4.0HIGH 8.8
TI-2026-62554 changedetection.io through 0.60.6 SSRF via browser-step Goto URL CVSS 4.0HIGH 8.7
TI-2026-22073 changedetection.io Vulnerable to Server-Side Request Forgery (SSRF) via Watch URLs CVSS 3.1HIGH 8.6
TI-2024-37396 changedetection.io has Improper Input Validation Leading to LFR/Path Traversal CVSS 3.1HIGH 8.6

See all 30 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences