CVE-2026-111720
Medium
Description
fish-island-backend through commit 7c61b78 contains an unauthenticated server-side request forgery vulnerability that allows remote attackers to make the server fetch attacker-supplied URLs via the url parameter of GET /api/web/parse. Attackers can target internal hosts, loopback services or cloud metadata endpoints through redirect-following OkHttp requests and read back page titles, meta descriptions and favicons.
SeverityMedium
CVSS5.3
Exploit probability—
ProductLhccong Fish-island-backend
PublishedOct 16, 2026
First seenOct 16, 2026
Weakness typeCWE-918Server-side request forgery (SSRF)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| lhccong fish-island-backend | v ≤ 7c61b7861e99d3970beb34103c244b79e4de7d88 | — |
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