SSRF in Shaarli
CVE-2026-110225
Shaarli through 0.16.9 contains a server-side request forgery vulnerability that allows authenticated users to make the server request internal addresses by fetching bookmark thumbnails without private-address checks. Attackers can create bookmarks pointing to loopback, private, or cloud metadata addresses and trigger ThumbnailsController::ajaxUpdate or saving to send blind GET requests, with open_shaarli exposing this to any visitor.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/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
- hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/shaarli-open-mode-thumbnail-fetch-ssrf (third-party-advisory)
- github.com/shaarli/Shaarli/blob/bfeadb4e5856702c05279bb2a5c405f2ed802015/applic… (technical-description)
- github.com/shaarli/Shaarli/blob/bfeadb4e5856702c05279bb2a5c405f2ed802015/applic… (technical-description)
- github.com/shaarli/Shaarli (product)
- www.vulncheck.com/advisories/shaarli-through-0.16.9-ssrf-via-thumbnail-retrieva… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-110225?
- CVE-2026-110225 is a low-severity vulnerability in Shaarli, classified under Server-Side Request Forgery (SSRF). CVSS score: 2.7/10. Published 2026-10-13.
- How severe is CVE-2026-110225?
- Low severity. CVSS v3 base score is 2.7 out of 10.