What’s Vulnerable › Vulnerabilities

CVE-2026-71280: go-shiori Server-Side Request Forgery via Unrestricted Bookmark URL Fetch

• Severity: high (CVSS 8.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-05 · updated 2026-10-23
• Weakness: CWE-918

Description

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).

Affected products

• go-shiori shiori: all versions

References

• https://github.com/go-shiori/shiori
• https://github.com/go-shiori/shiori/blob/master/internal/core/download.go

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