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VULNERABILITIES

CVE-2026-119121 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

Crawl4AI from 0.9.0 before 0.9.5 contains a JavaScript injection vulnerability in the Docker API server that allows authenticated API clients to run arbitrary JavaScript in the crawl page via allowlisted css_selector and wait_for fields. Attackers can inject quotes into css_selector or supply js: conditions in wait_for, bypassing the js_code block to alter page state and returned crawl content.

Metrics

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/unclecode/crawl4ai/security/advisories/GHSA-qj46-wp7m-rgj8 [email protected]AdvisoryExploitRemedyVendor
https://www.vulncheck.com/advisories/crawl4ai-0.9.0-before-0.9.5-javascript-injection-via-css-selector-and-wait-for [email protected]Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-95Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')[email protected]

Affected Products

ProductVersions
unclecode Crawl4AI
>= 0.9.0, <= 0.9.4 (semver)

CPE

  • No CPEs found in CPE dictionary for this product.

Remediation

  • Upgrade: 0.9.5moderate effort
  • Mitigation:low effort

    Reject `crawler_config` bodies whose `css_selector` contains "\" or whose `wait_for` is not prefixed with `css:` at your reverse proxy. Give API tokens only to trusted clients.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-119121
NVD Published Date:
Oct 29, 2026
NVD Last Modified:
Oct 29, 2026
Source:
[email protected]
CVE-2026-119121 Details - Not Deferred