CVE-2026-56353

The CVE-2026-56353 issue affects n8n’s Chat Trigger node configured with n8n User Auth. Affected releases permit bypassing the authentication check on the Chat Trigger webhook endpoint, enabling access without valid credentials. Vulnerable versions include prior to 1.123.22, the 2.0.0–2.9.2 line,...

Malicious code in ac-raf-emitter (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 4a9d9e454c08fdafa531ee74a3bc52513d5bc39413810db4a6371494872984f8 package.json declares a preinstall lifecycle script that runs curl -X POST against a hardcoded webhook.site collector URL...

MAL-2026-10675 Malicious code in ac-raf-emitter (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 4a9d9e454c08fdafa531ee74a3bc52513d5bc39413810db4a6371494872984f8 package.json declares a preinstall lifecycle script that runs curl -X POST against a hardcoded webhook.site collector URL...

MAL-2026-10634 Malicious code in estore-client (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 6f5f2a664c7576b3cbf04696ddff717d8b3e9b835693035fa56a23035edef411 package.json declares a preinstall lifecycle script that runs wget against https://webhook.site/d32804ac-1bbb-4100-ab60-95231dd3251c/, sending the...

PT-2026-60139

Name of the Vulnerable Software and Affected Versions PraisonAI versions prior to 4.6.78 Description In AgentMail webhook mode, the software fails to verify Svix webhook signatures. This allows unauthenticated attackers to forge message.received events by sending crafted JSON payloads to the...

PT-2026-60117

n8n contains an authentication bypass in the Chat Trigger node when configured with n8n User Auth a non-default configuration. In affected releases — before 1.123.22, the 2.0.0 through 2.9.2 line, and 2.10.0 — the authentication check on the Chat Trigger webhook endpoint can be circumvented,...

CVE-2026-61436: Improper Authentication

PraisonAI before 4.6.78 fails to verify Svix webhook signatures in AgentMail webhook mode, allowing unauthenticated attackers to forge message.received events. Attackers can send crafted JSON payloads to the webhook endpoint to invoke configured agents with arbitrary sender addresses and message...

CVE-2026-56353: Improper Authentication

n8n contains an authentication bypass in the Chat Trigger node when configured with n8n User Auth a non-default configuration. In affected releases — before 1.123.22, the 2.0.0 through 2.9.2 line, and 2.10.0 — the authentication check on the Chat Trigger webhook endpoint can be circumvented,...

PT-2026-60322

Name of the Vulnerable Software and Affected Versions Wekan versions prior to 9.32 Description A Server-Side Request Forgery SSRF exists where webhook integration URLs in models/integrations.js are stored from user input and subsequently fetched by server/notifications/outgoing.js. The process...

Nebula-mesh allows non-admin operators to disable webhook SSRF protection via `allow_private`

Summary Non-admin operators role user can set allowprivate: true on their own managed webhook subscription POST/PATCH /api/v1/webhook-subscriptions. No admin check exists on this field. At delivery time, allowprivate switches the dispatcher to an unguarded HTTP client, bypassing the...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the allowprivate process. An attacker can access internal network resources and obtain sensitive information by setting the allowprivate parameter to true in webhook subscriptions, which disables SSRF...

GHSA-7RX3-5WX3-5V76 Nebula-mesh allows non-admin operators to disable webhook SSRF protection via `allow_private`

Summary Non-admin operators role user can set allowprivate: true on their own managed webhook subscription POST/PATCH /api/v1/webhook-subscriptions. No admin check exists on this field. At delivery time, allowprivate switches the dispatcher to an unguarded HTTP client, bypassing the...

CVE-2026-48747

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 7.4.13 and 8.0.13, MailomatRequestParser::validateSignature parsed X-MOM-Webhook-Signature as algo=signature and passed the request-selected algorithm to hashhmac, allowing a signature...

CVE-2026-45755

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 7.4.12 and 8.0.12, MailtrapRequestParser::doParse received the configured webhook secret but ignored the X-Mt-Signature HMAC header, allowing unauthenticated POST requests to inject forged...

CVE-2026-45754

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 6.4.40, 7.4.12, and 8.0.12, the Mailjet mailer bridge and LOX24 notifier bridge webhook parsers received configured webhook secrets but did not verify them, allowing unauthenticated POST...

CVE-2026-48747 Symfony: Mailomat Mailer Webhook Parser Reads the HMAC Algorithm from the Request: Signature Algorithm Downgrade

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 7.4.13 and 8.0.13, MailomatRequestParser::validateSignature parsed X-MOM-Webhook-Signature as algo=signature and passed the request-selected algorithm to hashhmac, allowing a signature...

CVE-2026-48747

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 7.4.13 and 8.0.13, MailomatRequestParser::validateSignature parsed X-MOM-Webhook-Signature as algo=signature and passed the request-selected algorithm to hashhmac, allowing a signature...

EUVD-2026-44375

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 7.4.13 and 8.0.13, MailomatRequestParser::validateSignature parsed X-MOM-Webhook-Signature as algo=signature and passed the request-selected algorithm to hashhmac, allowing a signature...

CVE-2026-48747

Summary: CVE-2026-48747 affects Symfony’s Mailomat webhook parser. The MailomatRequestParser::validateSignature() method reads the X-MOM-Webhook-Signature header and passes the wire-provided algorithm directly to hash_hmac(), enabling a signature algorithm downgrade instead of enforcing SHA-256 a...

CVE-2026-48747 Symfony: Mailomat Mailer Webhook Parser Reads the HMAC Algorithm from the Request: Signature Algorithm Downgrade

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 7.4.13 and 8.0.13, MailomatRequestParser::validateSignature parsed X-MOM-Webhook-Signature as algo=signature and passed the request-selected algorithm to hashhmac, allowing a signature...