CVE-2026-18647
HighCVSS 7.3Exploitation Probability (EPSS)
Low risk28th percentile - higher than 28% of all known CVEs
Summary
A security vulnerability in jina-ai reader up to commit 1574bfd380d249c86c82db4dace0d9c8fe17e2b1 affects the function isValidTLD in /backend/functions/src/cloud-functions/crawler.ts of the Crawler/Puppeteer component. The manipulation leads to server-side request forgery (SSRF). Remote exploitation is possible and the exploit has been publicly disclosed.
Risk Assessment
A remote attacker can exploit SSRF to access internal network resources, potentially leading to data leakage or further compromise.
Recommendation
Upgrade to the latest available version, as the project follows a rolling release approach.
Other vulnerabilities in jina-ai reader
See all- CVE-2026-85699High
jina-ai reader contains a server-side request forgery vulnerability where URL validation is performed only on the initial request but not re-applied to subsequent redirect hops. Attackers can craft a public URL that redirects to internal network addresses or cloud metadata endpoints, allowing the server to fetch and return the target's response body to the attacker.
- CVE-2026-82638High
jina-ai reader disables its private-address guard outside Google Cloud deployments, allowing unauthenticated attackers to perform server-side request forgery. Attackers can supply publicly resolvable hostnames mapping to private addresses to retrieve cloud metadata and internal service content.
Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS