SSRF in Go-Shiori Shiori

CVE-2026-71280

go-shiori's DownloadBookmark (internal/core/download.go) fetches a caller-supplied bookmark URL using a plain http.Client with no custom DialContext or destination-IP validation (no IsLoopback, IsPrivate, IsUnspecified, or IsLinkLocalUnicast checks).

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.002 (7.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-71280?
CVE-2026-71280 is a high-severity vulnerability in Go-Shiori Shiori, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.5/10. Published 2026-08-05.
How severe is CVE-2026-71280?
High severity. CVSS v3 base score is 8.5 out of 10.