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Vulnerability record · CVE-2026-71280 · published 5 August 2026

CVE-2026-71280: Server-side request forgery (SSRF) vulnerability

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).

8.5 CVSS 3.1 High EPSS 0.30% · top 79.5% CWE-918 · Server-side request forgery (SSRF) Deferred
8.5CVSS 3.1 base score
0.30%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
26 Aug 2026Last modified by NVD

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).

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-71280), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.