CVE-2026-33580 OpenClaw < 2026.3.28 - Brute Force Attack via Missing Rate Limiting on Webhook Shared Secret Authentication

OpenClaw before 2026.3.28 contains a missing rate limiting vulnerability in the Nextcloud Talk webhook authentication that allows attackers to brute-force weak shared secrets. Attackers who can reach the webhook endpoint can exploit this to forge inbound webhook events by repeatedly attempting...

PT-2026-29260

OpenClaw before 2026.3.28 contains a missing rate limiting vulnerability in the Nextcloud Talk webhook authentication that allows attackers to brute-force weak shared secrets. Attackers who can reach the webhook endpoint can exploit this to forge inbound webhook events by repeatedly attempting...

This Week in Spring - March 31st, 2026

Hi, Spring fans! Welcome to another fun edition of This Week in Spring! I'm writing to you from beautiful Amsterdam ahead of the wonderful Voxxed Days Amsterdam event, and I'm really looking forward to it. If you're there, please come say hello! Also, be aware that I'll be speaking at the Paris J...

OpenClaw 安全漏洞

OpenClaw is an open-source intelligent artificial assistant developed by OpenClaw. Versions of OpenClaw prior to 2026.3.28 contained a security vulnerability. This vulnerability stemmed from the lack of rate limiting in Nextcloud Talk’s webhook authentication process, which could allow attackers ...

CVE-2026-33580: Improper Restriction of Excessive Authentication Attempts

OpenClaw before 2026.3.28 contains a missing rate limiting vulnerability in the Nextcloud Talk webhook authentication that allows attackers to brute-force weak shared secrets. Attackers who can reach the webhook endpoint can exploit this to forge inbound webhook events by repeatedly attempting...

Incorrect Authorization

Overview @openclaw/nextcloud-talk is an OpenClaw Nextcloud Talk channel plugin Affected versions of this package are vulnerable to Incorrect Authorization in the auth process. An attacker can gain unauthorized access by sending requests with add-on principals that are not bound to the intended...

GHSA-XHQ5-45PM-2GJR OpenClaw: Nextcloud Talk room allowlist matched colliding room names instead of stable room tokens

Summary Nextcloud Talk room authorization matched on collidable room names instead of the stable room token, allowing policy confusion across similarly named rooms. Affected Packages / Versions - Package: openclaw npm - Affected: = 2026.3.22 - Latest released tag checked: v2026.3.23-2...

Incorrect Authorization

Overview @openclaw/nextcloud-talk is an OpenClaw Nextcloud Talk channel plugin Affected versions of this package are vulnerable to Incorrect Authorization in the room authorization process. An attacker can gain unauthorized access to rooms with similar names by exploiting the matching logic that...

OpenClaw: Nextcloud Talk room allowlist matched colliding room names instead of stable room tokens

Summary Nextcloud Talk room authorization matched on collidable room names instead of the stable room token, allowing policy confusion across similarly named rooms. Affected Packages / Versions - Package: openclaw npm - Affected: = 2026.3.22 - Latest released tag checked: v2026.3.23-2...

Incorrect Authorization

Overview @openclaw/nextcloud-talk is an OpenClaw Nextcloud Talk channel plugin Affected versions of this package are vulnerable to Incorrect Authorization via the callback process. An attacker can execute unauthorized actions by sending specially crafted requests before sender authorization check...

CVE-2026-28449

OpenClaw versions prior to 2026.2.25 lack durable replay state for Nextcloud Talk webhook events, allowing valid signed webhook requests to be replayed without suppression. Attackers can capture and replay previously valid signed webhook requests to trigger duplicate inbound message processing an...

CVE-2026-3213 Anti-Spam by CleanTalk - Moderately critical - Cross-site scripting - SA-CONTRIB-2026-014

Improper Neutralization of Input During Web Page Generation "Cross-site Scripting" vulnerability in Drupal Anti-Spam by CleanTalk allows Cross-Site Scripting XSS.This issue affects Anti-Spam by CleanTalk: from 0.0.0 before 9.7.0...

EUVD-2026-14563

OpenClaw before 2026.2.25 lacks durable replay state for Nextcloud Talk webhook events, allowing valid signed requests to be replayed. Attackers can capture and replay previously valid signed webhook requests to trigger duplicate inbound processing and cause integrity or availability issues...

CVE-2026-32012

Rejected reason: This CVE ID has been rejected...

CVE-2026-32012

OpenClaw prior to 2026.2.25 is affected by CVE-2026-32012 due to a missing durable replay state for Nextcloud Talk webhook events. This allows an attacker to capture and replay valid signed webhook requests, potentially triggering duplicate inbound processing and causing integrity or availability...

CVE-2026-32012

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PT-2026-27226

OpenClaw before 2026.2.25 lacks durable replay state for Nextcloud Talk webhook events, allowing valid signed requests to be replayed. Attackers can capture and replay previously valid signed webhook requests to trigger duplicate inbound processing and cause integrity or availability issues...

Duplicate Advisory: OpenClaw's Nextcloud Talk webhook replay could trigger duplicate inbound processing

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-r9q5-c7qc-p26w. This link is maintained to preserve external references. Original Description OpenClaw versions prior to 2026.2.25 lack durable replay state for Nextcloud Talk webhook events, allowing valid sign...

GHSA-866C-WWM5-4RJ7 Duplicate Advisory: OpenClaw's Nextcloud Talk webhook replay could trigger duplicate inbound processing

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-r9q5-c7qc-p26w. This link is maintained to preserve external references. Original Description OpenClaw versions prior to 2026.2.25 lack durable replay state for Nextcloud Talk webhook events, allowing valid sign...

CVE-2026-28449

OpenClaw versions prior to 2026.2.25 lack durable replay state for Nextcloud Talk webhook events, allowing valid signed webhook requests to be replayed without suppression. Attackers can capture and replay previously valid signed webhook requests to trigger duplicate inbound message processing an...