MEDIUMCVSS v3.1 5.3Vulnerability

CVE-2026-111720

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.

Properties

Severity
MEDIUM
Nvd fetched at
2026-10-20T21:14:08.448323+00:00
Epss score
0.0031
Cvss score
5.3
Cvss severity
MEDIUM
Retrieved at
2026-10-21T01:24:48+00:00
Last source
FIRST EPSS
Score
5.3
Cvss version
3.1
Cve id
CVE-2026-111720
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
First seen by Signal
2026-10-18T13:39:03+00:00
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Published at
2026-10-16T18:17:56.533
Last modified
2026-10-19T15:16:55.110
Epss percentile
0.22406

Related Entities (1)

HAS_WEAKNESS (1)

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CVE-2026-111720 (CVSS v3.1 5.3) — Ninja Signal Threat Intelligence | Ninja Signal