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).
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Fixes

Solution

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Workaround

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History

Mon, 10 Aug 2026 12:00:00 +0000

Type Values Removed Values Added
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). An authenticated user creating or updating a bookmark via POST /api/bookmark, PUT /api/v1/bookmarks/cache, or POST /api/bookmarks/ext can supply a loopback (127.0.0.1) or 0.0.0.0 (which Linux redirects to loopback) URL, causing the server to make outbound requests to internal-only services, cloud metadata endpoints, or other network-restricted resources. 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).
Title go-shiori - Server-Side Request Forgery via Unrestricted Bookmark URL Fetch go-shiori Server-Side Request Forgery via Unrestricted Bookmark URL Fetch

Mon, 10 Aug 2026 11:45:00 +0000

Type Values Removed Values Added
Title go-shiori Server-Side Request Forgery via Unrestricted Bookmark URL Fetch go-shiori - Server-Side Request Forgery via Unrestricted Bookmark URL Fetch

Wed, 05 Aug 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 05 Aug 2026 15:15:00 +0000

Type Values Removed Values Added
First Time appeared Go-shiori
Go-shiori shiori
Vendors & Products Go-shiori
Go-shiori shiori

Wed, 05 Aug 2026 13:15:00 +0000

Type Values Removed Values Added
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). An authenticated user creating or updating a bookmark via POST /api/bookmark, PUT /api/v1/bookmarks/cache, or POST /api/bookmarks/ext can supply a loopback (127.0.0.1) or 0.0.0.0 (which Linux redirects to loopback) URL, causing the server to make outbound requests to internal-only services, cloud metadata endpoints, or other network-restricted resources.
Title go-shiori Server-Side Request Forgery via Unrestricted Bookmark URL Fetch
Weaknesses CWE-918
References
Metrics cvssV3_1

{'score': 8.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: TuranSec

Published:

Updated: 2026-08-10T11:47:02.533Z

Reserved: 2026-08-05T12:23:34.967Z

Link: CVE-2026-71280

cve-icon Vulnrichment

Updated: 2026-08-05T15:50:39.164Z

cve-icon NVD

Status : Received

Published: 2026-08-05T13:24:52.573

Modified: 2026-08-10T12:17:30.580

Link: CVE-2026-71280

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-10T22:00:05Z

Weaknesses