What is CVE-2026-41688?

CVE-2026-41688 is a high-severity vulnerability in Ellite Wallos, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.7/10. Published 2026-05-07.

How severe is CVE-2026-41688?

High severity. CVSS v3 base score is 7.7 out of 10.

SSRF in Ellite Wallos

CVE-2026-41688

Wallos is an open-source, self-hostable personal subscription tracker. In versions 4.8.4 and prior, the incomplete SSRF fix in Wallos validates webhook URLs via gethostbyname() but passes the original hostname to cURL without CURLOPT_RESOL…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.000 (9.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.

Affected products

Ellite Wallos — versions <= 4.8.4

Weakness classification (CWE)

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

References

https://github.com/ellite/Wallos/security/advisories/GHSA-h4g7-xv3v-q73g (x_refsource_CONFIRM)
https://github.com/ellite/Wallos/commit/e87387f0ebb540cd33e6dfda7181db9db650ecef (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-41688?: CVE-2026-41688 is a high-severity vulnerability in Ellite Wallos, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.7/10. Published 2026-05-07.
How severe is CVE-2026-41688?: High severity. CVSS v3 base score is 7.7 out of 10.