CVE-2026-18647

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

HIGH
7.3
CVSS Score
Published: August 3, 2026 at 08:45 PM UTC
Updated: October 23, 2026 at 09:10 PM UTC
1 product affected across 1 vendorReader

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Severity
HIGH7.3
Exploit prediction
EPSS 0.5%
SSVC
PoC

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions1574bfd380d249c86c82db4dace0d9c8fe17e2b1

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/385566
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/385566/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-18647
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/855011
ExploitIssue Tracking
Source: cverecord
https://github.com/orionyan520/cve_report/issues/8

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.3HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-918

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