What is CVE-2026-30839?

CVE-2026-30839 is a medium-severity vulnerability in Ellite Wallos, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.3/10. Published 2026-03-07.

How severe is CVE-2026-30839?

Medium severity. CVSS v3 base score is 4.3 out of 10.

SSRF in Ellite Wallos

CVE-2026-30839

Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.6.2, testwebhooknotifications.php does not validate the target URL against private/reserved IP ranges, enabling full-read SSRF. The server response i…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.003 (25.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Ellite Wallos — versions < 4.6.2
Wallosapp Wallos

Weakness classification (CWE)

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

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-30839?: CVE-2026-30839 is a medium-severity vulnerability in Ellite Wallos, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.3/10. Published 2026-03-07.
How severe is CVE-2026-30839?: Medium severity. CVSS v3 base score is 4.3 out of 10.