CVE-2026-28394

OpenClaw contains a denial-of-service in the web_fetch tool caused by memory exhaustion when parsing oversized or deeply nested HTML responses. Remote attackers can social engineer users to fetch malicious URLs, exhausting server memory and causing gateway/service unavailability. Affected produc...

EUVD-2026-9894

OpenClaw versions prior to 2026.2.15 contain a denial of service vulnerability in the webfetch tool that allows attackers to crash the Gateway process through memory exhaustion by parsing oversized or deeply nested HTML responses. Remote attackers can social-engineer users into fetching malicious...

CVE-2026-28394 OpenClaw < 2026.2.15 - Denial of Service via Unbounded Response Parsing in web_fetch Tool

OpenClaw versions prior to 2026.2.15 contain a denial of service vulnerability in the webfetch tool that allows attackers to crash the Gateway process through memory exhaustion by parsing oversized or deeply nested HTML responses. Remote attackers can social-engineer users into fetching malicious...

Server-side Request Forgery (SSRF)

Overview openclaw is a 🦞 OpenClaw — Personal AI Assistant Affected versions of this package are vulnerable to Server-side Request Forgery SSRF incomplete validation of IPv4 special-use address ranges in the webfetch process. An attacker can access internal or non-global network resources by...

GHSA-4RQQ-W8V4-7P47 OpenClaw has incomplete IPv4 special-use SSRF blocking in web fetch guard

Summary isPrivateIpv4 in bundled SSRF guard code missed several IPv4 special-use/non-global ranges, so webfetch could allow targets that should be blocked by SSRF policy. Affected Packages / Versions - Package: openclaw npm - Latest published affected version: 2026.2.21-2 published 2026-02-21 -...

OpenClaw has incomplete IPv4 special-use SSRF blocking in web fetch guard

Summary isPrivateIpv4 in bundled SSRF guard code missed several IPv4 special-use/non-global ranges, so webfetch could allow targets that should be blocked by SSRF policy. Affected Packages / Versions - Package: openclaw npm - Latest published affected version: 2026.2.21-2 published 2026-02-21 -...

PT-2026-25513

Summary isPrivateIpv4 in bundled SSRF guard code missed several IPv4 special-use/non-global ranges, so web fetch could allow targets that should be blocked by SSRF policy. Affected Packages / Versions - Package: openclaw npm - Latest published affected version: 2026.2.21-2 published 2026-02-21 -...

GHSA-8MVX-P2R9-R375 OpenClaw's web tools strict URL guard could lose DNS pinning when env proxy is configured

Summary openclaw web tools strict URL fetch paths could lose DNS pinning when environment proxy variables are configured HTTPPROXY/HTTPSPROXY/ALLPROXY, including lowercase variants. In affected builds, strict URL checks for example webfetch and citation redirect resolution validated one destinati...

Server-side Request Forgery (SSRF)

Overview openclaw is a 🦞 OpenClaw — Personal AI Assistant Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the webfetch process when environment proxy variables are configured. An attacker can access internal or private network resources by supplying...

PT-2026-26012

Summary openclaw web tools strict URL fetch paths could lose DNS pinning when environment proxy variables are configured HTTP PROXY/HTTPS PROXY/ALL PROXY, including lowercase variants. In affected builds, strict URL checks for example web fetch and citation redirect resolution validated one...

Allocation of Resources Without Limits or Throttling

Overview openclaw is a 🦞 OpenClaw — Personal AI Assistant Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the webfetch tool. An attacker can cause the application to exhaust system memory or become unresponsive by tricking a user or...

OpenClaw has a Web Fetch DoS via unbounded response parsing

Summary The webfetch tool could be used to crash the OpenClaw Gateway process OOM / resource exhaustion by fetching and attempting to parse attacker-controlled web pages with oversized response bodies or pathological HTML nesting. Affected Packages / Versions - Package: openclaw npm - Affected...

GHSA-P536-VVPP-9MC8 OpenClaw has a Web Fetch DoS via unbounded response parsing

Summary The webfetch tool could be used to crash the OpenClaw Gateway process OOM / resource exhaustion by fetching and attempting to parse attacker-controlled web pages with oversized response bodies or pathological HTML nesting. Affected Packages / Versions - Package: openclaw npm - Affected...

PT-2026-22532

Summary The web fetch tool could be used to crash the OpenClaw Gateway process OOM / resource exhaustion by fetching and attempting to parse attacker-controlled web pages with oversized response bodies or pathological HTML nesting. Affected Packages / Versions - Package: openclaw npm - Affected...

PT-2026-23523

Name of the Vulnerable Software and Affected Versions OpenClaw versions prior to 2026.2.15 Description The web fetch tool within OpenClaw can cause a denial of service by crashing the Gateway process due to memory exhaustion. This occurs when parsing oversized or deeply nested HTML responses...

CVE-2026-24052

Claude Code is an agentic coding tool. Prior to version 1.0.111, Claude Code contained insufficient URL validation in its trusted domain verification mechanism for WebFetch requests. The application used a startsWith function to validate trusted domains e.g., docs.python.org,...

CVE-2026-24052 Claude Code has a Domain Validation Bypass which Allows Automatic Requests to Attacker-Controlled Domains

Claude Code is an agentic coding tool. Prior to version 1.0.111, Claude Code contained insufficient URL validation in its trusted domain verification mechanism for WebFetch requests. The application used a startsWith function to validate trusted domains e.g., docs.python.org,...

Open Redirect

Overview @anthropic-ai/claude-code is an Use Claude, Anthropic's AI assistant, right from your terminal. Claude can understand your codebase, edit files, run terminal commands, and handle entire workflows for you. Affected versions of this package are vulnerable to Open Redirect due to insufficie...

PT-2026-6186

Name of the Vulnerable Software and Affected Versions Claude Code versions prior to 1.0.111 Description Claude Code, an agentic coding tool, had a flaw in how it checked the trustworthiness of web addresses when making WebFetch requests. The application used a startsWith function to confirm trust...

Claude Code 输入验证错误漏洞

Claude Code is an open-source proxy encoding tool developed by Anthropic. Versions of Claude Code prior to 1.0.111 contained a vulnerability related to input validation errors. This vulnerability stemmed from the insufficient URL validation in the trusted domain verification mechanism of WebFetch...