CVE-2026-18647

MEDIUM CVSS 4.0: 5.5 EPSS 0.35%
Updated Aug 04, 2026
Parameter Value
CVSS 5.5 (MEDIUM)
Type CWE-918 (Server-Side Request Forgery (SSRF))
Public PoC No

A security vulnerability has been detected in jina-ai reader up to 1574bfd380d249c86c82db4dace0d9c8fe17e2b1. This issue affects the function isValidTLD of the file /backend/functions/src/cloud-functions/crawler.ts of the component Crawler/Puppeteer. The manipulation leads to server-side request forgery.

Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided.

The vendor was contacted early about this disclosure but did not respond in any way.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v4.0