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...

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Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-rqp8-q22p-5j9q This link is maintained to preserve external references.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: 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Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-mf5g-6r6f-ghhm.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: 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Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-3h52-cx59-c456.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Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-rm59-992w-x2mv.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...

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Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-rqp8-q22p-5j9q This link is maintained to preserve external references.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: 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...

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...

GHSA-RC8F-R29C-CHR6 Duplicate Advisory: OpenClaw: BlueBubbles Webhook Missing Rate Limiting Enables Brute-Force Password Guessing

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-xq8g-hgh6-87hv. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.25 contains a missing rate limiting vulnerability in webhook authentication that allows...

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...

Duplicate Advisory: OpenClaw: Google Chat app-url webhook auth accepted non-deployment add-on principals

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-mp66-rf4f-mhh8. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.22 contains an improper authentication verification vulnerability in Google Chat app-url webho...

Duplicate Advisory: OpenClaw: BlueBubbles Webhook Missing Rate Limiting Enables Brute-Force Password Guessing

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-xq8g-hgh6-87hv. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.25 contains a missing rate limiting vulnerability in webhook authentication that allows...

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...

GHSA-HGWR-WR8H-RXM7 Duplicate Advisory: OpenClaw: Google Chat app-url webhook auth accepted non-deployment add-on principals

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-mp66-rf4f-mhh8. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.22 contains an improper authentication verification vulnerability in Google Chat app-url webho...

PT-2026-33901

Summary The validateWebhookURL function in webhook setting service.go attempts to block webhooks targeting private/internal IP addresses, but only checks literal IP strings via net.ParseIP. Hostnames that DNS-resolve to private IPs e.g., 169.254.169.254.nip.io, 10.0.0.1.nip.io bypass all checks,...

OpenClaw 安全漏洞

OpenClaw is an open-source intelligent artificial assistant developed by OpenClaw. Versions of OpenClaw prior to 2026.3.22 contained security vulnerabilities. These vulnerabilities stemmed from vulnerabilities in webhook responses, which could allow attackers to rebind chat responses to unintende...

PT-2026-31981

OpenClaw before 2026.3.22 contains a webhook reply delivery vulnerability that allows attackers to rebind chat replies to unintended users by exploiting mutable username matching instead of stable numeric user identifiers. Attackers can manipulate username changes to redirect webhook-triggered...

OpenClaw 安全漏洞

OpenClaw is an open-source intelligent artificial assistant developed by OpenClaw. Versions of OpenClaw prior to 2026.3.24 contained security vulnerabilities. These vulnerabilities stemmed from the Feishu webhook processor accepting request bodies with lax restrictions before signature...

CVE-2026-35665: Asymmetric Resource Consumption (Amplification)

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...

PT-2026-31976

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...