SSRF in Artalkjs Artalk

CVE-2026-117565

Artalk before 2.10.1 contains an unauthenticated server-side request forgery vulnerability that allows remote attackers to make the server fetch arbitrary URLs by submitting anonymous comments to /api/v2/comments. Attackers can set a page_key to an internal URL, which GetTitleByURL fetches after only scheme validation, then read the page title through the public comment list.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-117565?
CVE-2026-117565 is a medium-severity vulnerability in Artalkjs Artalk, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.3/10. Published 2026-10-27.
How severe is CVE-2026-117565?
Medium severity. CVSS v3 base score is 5.3 out of 10.