Vulnerability · Published Aug 3, 2026 · Assigned by VulDB

CVE-2026-18647jina-ai reader Crawler/Puppeteer crawler.ts isValidTLD server-side request forgery

High 7.3

In plain English

A high-severity server-side request forgery in reader from jina-ai. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.5%top 59.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
jina-ai reader 1574bfd380d249c86c82db4dace0d9c8fe17e2b1

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References