CVE-2026-35665 OpenClaw < 2026.3.24 - Denial of Service via Feishu Webhook Pre-Auth Body Parsing

OpenClaw before 2026.3.24 contains an incomplete fix for CVE-2026-32011 where the Feishu webhook handler accepts request bodies with permissive limits of 1MB and 30-second timeout before signature verification. An unauthenticated attacker can exhaust server connection resources by sending...

CVE-2026-35665 OpenClaw < 2026.3.24 - Denial of Service via Feishu Webhook Pre-Auth Body Parsing

OpenClaw before 2026.3.24 contains an incomplete fix for CVE-2026-32011 where the Feishu webhook handler accepts request bodies with permissive limits of 1MB and 30-second timeout before signature verification. An unauthenticated attacker can exhaust server connection resources by sending...

EUVD-2026-21476

OpenClaw before 2026.3.24 contains an incomplete fix for CVE-2026-32011 where the Feishu webhook handler accepts request bodies with permissive limits of 1MB and 30-second timeout before signature verification. An unauthenticated attacker can exhaust server connection resources by sending...

CVE-2026-35665

OpenClaw before 2026.3.24 contains an incomplete fix for CVE-2026-32011 where the Feishu webhook handler accepts request bodies with permissive limits of 1MB and 30-second timeout before signature verification. An unauthenticated attacker can exhaust server connection resources by sending...

EUVD-2026-21126

OpenClaw before 2026.3.22 contains a webhook path route replacement vulnerability in the Synology Chat extension that allows attackers to collapse multi-account configurations onto shared webhook paths. Attackers can exploit inherited or duplicate webhook paths to bypass per-account DM access...

EUVD-2026-21136

OpenClaw before 2026.3.25 parses JSON request bodies before validating webhook signatures, allowing unauthenticated attackers to force resource-intensive parsing operations. Remote attackers can send malicious webhook requests to trigger denial of service by exhausting server resources through...

EUVD-2026-21114

OpenClaw before 2026.3.25 contains a missing rate limiting vulnerability in Telegram webhook authentication that allows attackers to brute-force weak webhook secrets. The vulnerability enables repeated authentication guesses without throttling, permitting attackers to systematically guess webhook...

EUVD-2026-21110

OpenClaw before 2026.3.22 contains an unauthenticated resource exhaustion vulnerability in voice call webhook handling that buffers request bodies before provider signature checks. Attackers can send large or malicious webhook requests to exhaust server resources without authentication by bypassi...

EUVD-2026-21144

OpenClaw before 2026.3.25 contains a pre-authentication rate-limit bypass vulnerability in webhook token validation that allows attackers to brute-force weak webhook secrets. The vulnerability exists because invalid webhook tokens are rejected without throttling repeated authentication attempts,...

GHSA-G8MC-C5F2-MQG7 Duplicate Advisory: OpenClaw Bypasses DM Policy Separation via Synology Chat Webhook Path Collision

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-rqp8-q22p-5j9q This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.22 contains a webhook path route replacement vulnerability in the Synology Chat extension that...

Duplicate Advisory: OpenClaw Bypasses DM Policy Separation via Synology Chat Webhook Path Collision

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-rqp8-q22p-5j9q This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.22 contains a webhook path route replacement vulnerability in the Synology Chat extension that...

Duplicate Advisory: OpenClaw: Synology Chat Webhook Pre-Auth Rate-Limit Bypass Enables Brute-Force Guessing of Webhook Token

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-mf5g-6r6f-ghhm. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.25 contains a pre-authentication rate-limit bypass vulnerability in webhook token validation...

Duplicate Advisory: OpenClaw: Telegram Webhook Missing Guess Rate Limiting Enables Brute-Force Guessing of Weak Webhook Secret

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-vcx4-4qxg-mfp4. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.25 contains a missing rate limiting vulnerability in Telegram webhook authentication that allo...

Duplicate Advisory: OpenClaw: Feishu webhook reads and parses unauthenticated request bodies before signature validation

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-3h52-cx59-c456. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.25 parses JSON request bodies before validating webhook signatures, allowing unauthenticated...

Duplicate Advisory: OpenClaw is vulnerable to unauthenticated resource exhaustion through its voice call webhook handling

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-rm59-992w-x2mv. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.22 contains an unauthenticated resource exhaustion vulnerability in voice call webhook handlin...

GHSA-8F9R-GR6R-X63Q Duplicate Advisory: OpenClaw: Feishu webhook reads and parses unauthenticated request bodies before signature validation

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-3h52-cx59-c456. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.25 parses JSON request bodies before validating webhook signatures, allowing unauthenticated...

GHSA-59XC-5V89-R7PR Duplicate Advisory: OpenClaw: Synology Chat Webhook Pre-Auth Rate-Limit Bypass Enables Brute-Force Guessing of Webhook Token

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-mf5g-6r6f-ghhm. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.25 contains a pre-authentication rate-limit bypass vulnerability in webhook token validation...

GHSA-R4C2-GQ3J-7RPJ Duplicate Advisory: OpenClaw: Telegram Webhook Missing Guess Rate Limiting Enables Brute-Force Guessing of Weak Webhook Secret

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-vcx4-4qxg-mfp4. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.25 contains a missing rate limiting vulnerability in Telegram webhook authentication that allo...

EUVD-2026-21105

OpenClaw before 2026.3.25 contains a missing rate limiting vulnerability in webhook authentication that allows attackers to brute-force weak webhook passwords without throttling. Remote attackers can repeatedly submit incorrect password guesses to the webhook endpoint to compromise authentication...

EUVD-2026-21104

OpenClaw before 2026.3.22 contains an improper authentication verification vulnerability in Google Chat app-url webhook handling that accepts add-on principals outside intended deployment bindings. Attackers can bypass webhook authentication by providing non-deployment add-on principals to execut...