CVE-2026-56258 Crawl4AI - Arbitrary File Write via output_path Symlink and TOCTOU

Crawl4AI before 0.8.8 contains an arbitrary file write vulnerability in the screenshot and PDF endpoints that allows unauthenticated attackers to write files outside the intended directory via symlink and time-of-check-time-of-use TOCTOU attacks on the outputpath parameter. Remote attackers can...

CVE-2026-56266

Crawl4AI before 0.8.7 contains a server-side request forgery vulnerability in the /crawl, /crawl/stream, /md, and /llm endpoints that fetch arbitrary user-supplied URLs without validation. Unauthenticated attackers can bypass the internal-address blocklist using IPv6-mapped IPv4 addresses to reac...

CVE-2026-56266 Crawl4AI - Server-Side Request Forgery via Direct Crawl Endpoints

Crawl4AI before 0.8.7 contains a server-side request forgery vulnerability in the /crawl, /crawl/stream, /md, and /llm endpoints that fetch arbitrary user-supplied URLs without validation. Unauthenticated attackers can bypass the internal-address blocklist using IPv6-mapped IPv4 addresses to reac...

EUVD-2026-38366

Crawl4AI before 0.8.7 contains a server-side request forgery vulnerability in the /crawl, /crawl/stream, /md, and /llm endpoints that fetch arbitrary user-supplied URLs without validation. Unauthenticated attackers can bypass the internal-address blocklist using IPv6-mapped IPv4 addresses to reac...

CVE-2026-56266

CVE-2026-56266 affects Crawl4AI prior to 0.8.7. The vulnerability is a server-side request forgery in the /crawl, /crawl/stream, /md, and /llm endpoints that fetch arbitrary user‑supplied URLs without validation. Unauthenticated attackers can bypass the internal-address blocklist using IPv6‑mappe...

CVE-2026-56266 Crawl4AI - Server-Side Request Forgery via Direct Crawl Endpoints

Crawl4AI before 0.8.7 contains a server-side request forgery vulnerability in the /crawl, /crawl/stream, /md, and /llm endpoints that fetch arbitrary user-supplied URLs without validation. Unauthenticated attackers can bypass the internal-address blocklist using IPv6-mapped IPv4 addresses to reac...

CVE-2026-56265

Crawl4AI before 0.8.7 contains an authentication bypass vulnerability due to a hardcoded default JWT signing key in the Docker API server. Attackers who know the default key can forge valid authentication tokens for any user, bypassing authentication and gaining full access to protected...

PYSEC-2026-239

Crawl4AI before 0.8.7 contains an authentication bypass vulnerability due to a hardcoded default JWT signing key in the Docker API server. Attackers who know the default key can forge valid authentication tokens for any user, bypassing authentication and gaining full access to protected...

PYSEC-2026-239

Crawl4AI before 0.8.7 contains an authentication bypass vulnerability due to a hardcoded default JWT signing key in the Docker API server. Attackers who know the default key can forge valid authentication tokens for any user, bypassing authentication and gaining full access to protected...

CVE-2026-56265

Crawl4AI before 0.8.7 contains an authentication bypass vulnerability due to a hardcoded default JWT signing key in the Docker API server. Attackers who know the default key can forge valid authentication tokens for any user, bypassing authentication and gaining full access to protected...

CVE-2026-56265 Crawl4AI - Authentication Bypass via Hardcoded JWT Signing Key

Crawl4AI before 0.8.7 contains an authentication bypass vulnerability due to a hardcoded default JWT signing key in the Docker API server. Attackers who know the default key can forge valid authentication tokens for any user, bypassing authentication and gaining full access to protected...

CVE-2026-56265

CVE-2026-56265 affects Crawl4AI prior to 0.8.7 due to a hardcoded default JWT signing key in the Docker API server. The root cause is token forgery: an attacker who knows the default key can forge valid authentication tokens for any user, bypassing authentication and gaining full access to protec...

Server-side Request Forgery (SSRF)

Overview Crawl4AI is a 🚀🤖 Crawl4AI: Open-source LLM Friendly Web Crawler & scraper Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the handlestreamcrawlrequest process. An attacker can access internal-only services and cloud-metadata endpoints by sending...

Symlink Attack

Overview Crawl4AI is a 🚀🤖 Crawl4AI: Open-source LLM Friendly Web Crawler & scraper Affected versions of this package are vulnerable to Symlink Attack via the download process. An attacker can overwrite arbitrary files with attacker-controlled content by supplying crafted filenames containing...

Server-side Request Forgery (SSRF)

Overview Crawl4AI is a 🚀🤖 Crawl4AI: Open-source LLM Friendly Web Crawler & scraper Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the proxyconfig.server parameter in the browserconfig or crawlerconfig objects, as well as related proxy settings in extraarg...

Server-side Request Forgery (SSRF)

Overview Crawl4AI is a 🚀🤖 Crawl4AI: Open-source LLM Friendly Web Crawler & scraper Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the baseurl parameter in API requests and the resolution of environment variables in the LLM configuration process. An attack...

PT-2026-54027

Name of the Vulnerable Software and Affected Versions Crawl4AI versions prior to 0.8.7 Description Multiple security issues affect the Crawl4AI Docker API server: - The /execute js endpoint allows arbitrary JavaScript execution in the server's browser context because --disable-web-security is...

PT-2026-51224

Name of the Vulnerable Software and Affected Versions Crawl4AI versions prior to 0.8.7 Description The Docker API server contains an authentication bypass issue caused by a hardcoded default JWT JSON Web Token signing key. A JWT is a compact, URL-safe means of representing claims to be transferre...

PT-2026-51506

Name of the Vulnerable Software and Affected Versions Crawl4AI versions prior to 0.8.7 Description A stored cross-site scripting issue exists in the monitor dashboard. The application renders crawl URLs and error messages using innerHTML without proper escaping. This allows an attacker to submit ...

PT-2026-51505

Name of the Vulnerable Software and Affected Versions Crawl4AI versions prior to 0.8.8 Description An arbitrary file write issue exists in the screenshot and PDF endpoints. Unauthenticated remote attackers can write files outside the intended directory by exploiting insufficient path validation a...