What is CVE-2026-27696?

CVE-2026-27696 is a high-severity vulnerability in Dgtlmoon Changedetection.io, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.6/10. Published 2026-02-25.

How severe is CVE-2026-27696?

High severity. CVSS v3 base score is 8.6 out of 10.

SSRF in Dgtlmoon Changedetection.io

CVE-2026-27696

changedetection.io is a free open source web page change detection tool. In versions prior to 0.54.1, changedetection.io is vulnerable to Server-Side Request Forgery (SSRF) because the URL validation function `is_safe_valid_url()` does not…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.000 (6.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

Affected products

Dgtlmoon Changedetection.io — versions < 0.54.1

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

https://github.com/dgtlmoon/changedetection.io/security/advisories/GHSA-3c45-4pj5-ch7m (x_refsource_CONFIRM)
https://github.com/dgtlmoon/changedetection.io/commit/fe7aa38c651d73fe5f41ce09855fa8f97193747b (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-27696?: CVE-2026-27696 is a high-severity vulnerability in Dgtlmoon Changedetection.io, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.6/10. Published 2026-02-25.
How severe is CVE-2026-27696?: High severity. CVSS v3 base score is 8.6 out of 10.