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TI-2026-49947 Aliases CVE-2026-71280GHSA-5mx2-758c-cg2x

go-shiori Server-Side Request Forgery via Unrestricted Bookmark URL Fetch

Priority LOW 37CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00301 23rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
go-shiorishioriall versions—No fix listedCNA
  • shiori Vendorgo-shiori Affected all versions Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-71280
  2. 2026-10-03 Alias added: GHSA-5mx2-758c-cg2x

References

Advisory 2

  • TI-2026-44068 Shiori Authenticated Privilege Escalation via PATCH /api/v1/auth/account CVSS 4.0HIGH 8.7
  • TI-2025-37707 A lack of rate limiting in the login page of shiori v1.7.4 and below allows attackers to… CVSS 3.1MEDIUM 6.5
  • TI-2026-49881 shiori - JWT CheckToken Never Re-Validates Account State, Allowing Stale-Privilege Access After Deletion or Demotion CVSS 3.1HIGH 8.2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences