CVE-2026-110846 n8n before 2.41.4 and 2.42.1 Send-and-Wait HMAC Signature Bypass via Waiting-Webhook

n8n before 2.41.4 and 2.42.x before 2.42.1 contains a signature bypass in the waiting-webhook endpoint, which selects Send-and-Wait validation before normalising an alternate node reference form. Attackers holding an execution's resume token can approve waiting executions meant for others, runnin...

CVE-2026-110846 n8n before 2.41.4 and 2.42.1 Send-and-Wait HMAC Signature Bypass via Waiting-Webhook

n8n before 2.41.4 and 2.42.x before 2.42.1 contains a signature bypass in the waiting-webhook endpoint, which selects Send-and-Wait validation before normalising an alternate node reference form. Attackers holding an execution's resume token can approve waiting executions meant for others, runnin...

CVE-2026-110846

The automation tool n8n versions before 2.41.4 and 2.42.x before 2.42.1 contains a signature bypass in the waiting-webhook endpoint. The root cause is a logic error where the system performs Send-and-Wait validation before normalizing an alternate node reference form (CWE-180). An attacker posses...

CVE-2026-110846 n8n before 2.41.4 and 2.42.1 Send-and-Wait HMAC Signature Bypass via Waiting-Webhook

n8n before 2.41.4 and 2.42.x before 2.42.1 contains a signature bypass in the waiting-webhook endpoint, which selects Send-and-Wait validation before normalising an alternate node reference form. Attackers holding an execution's resume token can approve waiting executions meant for others, runnin...

CVE-2026-100149 WPZOOM Connect: AI Chat, Click to Chat, Social Icons & Share Buttons <= 4.7.3 - Unauthenticated Sensitive Information Disclosure via HMAC Signature Collision (Missing Domain Separation) in HMAC Signature Domain-Separation Flaw in `/yamidoo/v1/customer`…

The WPZOOM Connect: AI Chat, Click to Chat, Social Icons & Share Buttons plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 4.7.3 via the 'x-yamidoo-signature attacker-obtained via inlinejs identify payload' parameter. This makes it possible...

CVE-2026-100149 WPZOOM Connect: AI Chat, Click to Chat, Social Icons & Share Buttons <= 4.7.3 - Unauthenticated Sensitive Information Disclosure via HMAC Signature Collision (Missing Domain Separation) in HMAC Signature Domain-Separation Flaw in `/yamidoo/v1/customer`…

The WPZOOM Connect: AI Chat, Click to Chat, Social Icons & Share Buttons plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 4.7.3 via the 'x-yamidoo-signature attacker-obtained via inlinejs identify payload' parameter. This makes it possible...

CVE-2026-100149 WPZOOM Connect: AI Chat, Click to Chat, Social Icons & Share Buttons <= 4.7.3 - Unauthenticated Sensitive Information Disclosure via HMAC Signature Collision (Missing Domain Separation) in HMAC Signature Domain-Separation Flaw in `/yamidoo/v1/customer`…

The WPZOOM Connect: AI Chat, Click to Chat, Social Icons & Share Buttons plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 4.7.3 via the 'x-yamidoo-signature attacker-obtained via inlinejs identify payload' parameter. This makes it possible...

WS-2026-0096

n8n waiting-webhook endpoint accepted a Send-and-Wait node reference in a second form and selected the validation before normalising it, so an approval could be submitted without the required HMAC signature. A caller holding an execution's resume token can release an approval intended for someone...

CVE-2026-57122 PraisonAI: Webhook signature verification skipped (fail-open) when secret unset, allowing forged inbound webhooks (WhatsApp & Linear bots)

PraisonAI is a multi-agent teams system. Prior to 4.6.59, the WhatsApp and Linear bot webhook handlers verify HMAC signatures only when WHATSAPPAPPSECRET or LINEARWEBHOOKSECRET is configured and otherwise parse and dispatch unsigned request bodies. A remote unauthenticated client that reaches the...

CVE-2026-57122: Insufficient Verification of Data Authenticity

PraisonAI is a multi-agent teams system. Prior to 4.6.59, the WhatsApp and Linear bot webhook handlers verify HMAC signatures only when WHATSAPPAPPSECRET or LINEARWEBHOOKSECRET is configured and otherwise parse and dispatch unsigned request bodies. A remote unauthenticated client that reaches the...

PT-2026-86162

Emlog is an open source website building system. Prior to version 2.6.16, Emlog CMS Pro contains a blind SQL injection in User Model::getUserDataByLogin. The $account parameter is directly interpolated into SQL queries without any filtering. The vulnerability is reachable through the auth cookie...

CVE-2026-75589

A flaw was found in Net::OAuth. This vulnerability arises from a non-constant-time comparison used when verifying HMAC-SHA1, HMAC-SHA256, and PLAINTEXT signatures. A remote attacker could exploit this by timing the responses to submitted messages, allowing them to recover valid signatures or, in...

EUVD-2026-58596

The Paymob for WooCommerce WordPress plugin before 4.1.9 does not properly sanitise a client-supplied identifier before using it in a SQL query within its public, unauthenticated payment callback, and performs this query before verifying the payment provider's HMAC signature. This allows...

CVE-2026-15459 WPMU DEV Dashboard <= 5.0.0 - Authentication Bypass to Arbitrary Plugin Installation (Remote Code Execution) via Forged WDP_AUTH HMAC on ?wpmudev-hub= Endpoint

The WPMU DEV Dashboard plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 5.0.0. On sites not yet connected to the WPMU DEV Hub — the default state after installation — the site API key that keys the WDP-AUTH request signature is empty, making the...

CVE-2026-17532

The Seraphinite Accelerator plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'seraphaccelprep' parameter in versions up to, and including, 2.29.15. This is due to the CacheExtractPreparePageParams function using PHP's loose inequality operator != to compare the expecte...

CVE-2026-71206

Shiori's CheckToken function internal/domains/auth.go validates only the JWT's HMAC signature and returns the embedded claims.Account object unmodified, never re-fetching the account from the database. No session store or token-revocation mechanism exists in the codebase...

CVE-2026-9537

The Mojo::JWT Perl module, in versions before 1.02 , is vulnerable to a timing attack due to the use of a non-constant-time string comparison (Perl's eq operator) during HMAC signature verification. Specifically, the decode() method compares the supplied signature against the recomputed HMAC; bec...

CVE-2026-9537

Mojo::JWT versions before 1.02 for Perl verify HMAC signatures with a non-constant-time string comparison. The decode method compares the supplied signature to the recomputed HMAC with Perl's eq operator, which stops at the first differing byte, so the comparison time varies with the number of...

CVE-2026-9537

Mojo::JWT versions before 1.02 for Perl verify HMAC signatures with a non-constant-time string comparison. The decode method compares the supplied signature to the recomputed HMAC with Perl's eq operator, which stops at the first differing byte, so the comparison time varies with the number of...

PT-2026-60794

Name of the Vulnerable Software and Affected Versions Mojo::JWT versions prior to 1.02 Description The decode method verifies HMAC signatures using a non-constant-time string comparison via Perl's eq operator. Because this operator stops at the first differing byte, the time taken for the...