n8n: Prototype Pollution enables confused-deputy execution via public webhooks

Impact A prototype pollution vulnerability allowed a crafted public webhook payload to inject attacker-controlled fields into workflow data during internal object copying. These fields could be surfaced and consumed as normal values by downstream built-in nodes. Where a workflow combines a public...

GHSA-V733-MWR6-FGCM n8n: Same-Origin XSS in Respond to Webhook Node

Impact An authenticated user with workflow edit access could configure a Respond to Webhook node to serve binary content with an attacker-controlled Content-Type. The binary response path bypassed the central Content-Security-Policy sandbox header, allowing a public webhook to execute JavaScript ...

NPM: n8n: Same-Origin XSS in Respond to Webhook Node

NPM: n8n: Same-Origin XSS in Respond to Webhook Node vulnerability discovered by ? in WordPress Npm n8n versions 1.123.55...

n8n: Same-Origin XSS in Respond to Webhook Node

Impact An authenticated user with workflow edit access could configure a Respond to Webhook node to serve binary content with an attacker-controlled Content-Type. The binary response path bypassed the central Content-Security-Policy sandbox header, allowing a public webhook to execute JavaScript ...

memos-webhook (>=0.6.0a1, <=0.6.0) potentially affected by CVE-2026-55443 via langchain (0.2.4)

langchain PYPI version 0.2.4 is affected by a known vulnerability. The following packages have a transitive dependency on langchain and may be impacted: - memos-webhook =0.6.0a1, =0.6.0 Source cves: CVE-2026-55443 Source advisory: OSV:GHSA-GR75-JV2W-4656...

BIT-DISCOURSE-2026-47263 Discourse: Prevent webhook payload disclosure on event redelivery

Discourse is an open-source discussion platform. From versions 2026.1.0 to before 2026.1.4, 2026.3.0 to before 2026.3.1, and 2026.4.0 to before 2026.4.1, the MessageBus.publish call for /webhookevents/ in Jobs::RedeliverWebHookEvents did not pass groupids, leaving the channel readable by any...

Malicious code in carousel-controller-mixin (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector c1a4b1be297682ca77d8a92fc502887ee6d718a5541fa88413acdc6accb3ed97 package.json declares both preinstall and postinstall hooks that execute callback.js on every install. callback.js collects username, uid, hostname,...

MAL-2026-5856 Malicious code in carousel-controller-mixin (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector c1a4b1be297682ca77d8a92fc502887ee6d718a5541fa88413acdc6accb3ed97 package.json declares both preinstall and postinstall hooks that execute callback.js on every install. callback.js collects username, uid, hostname,...

Malicious code in setka-editor (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector a9dd5cda5d5a0925c139a36f0ea4c69b96052ff203d7dc365ac119408ba76069 package.json registers both preinstall and postinstall lifecycle hooks that run node callback.js, which executes automatically on npm install...

MAL-2026-5859 Malicious code in setka-editor (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector a9dd5cda5d5a0925c139a36f0ea4c69b96052ff203d7dc365ac119408ba76069 package.json registers both preinstall and postinstall lifecycle hooks that run node callback.js, which executes automatically on npm install...

PT-2026-50172

Name of the Vulnerable Software and Affected Versions n8n versions prior to 2.25.7 n8n versions prior to 2.26.2 Description A prototype pollution issue allows a crafted public webhook payload to inject attacker-controlled fields into workflow data during internal object copying. Prototype polluti...

PT-2026-50174

Name of the Vulnerable Software and Affected Versions n8n versions prior to 2.25.7 n8n versions prior to 2.26.2 Description The MicrosoftAgent365Trigger and StripeTrigger nodes fail to validate inbound requests. This allows an unauthenticated attacker with knowledge of the webhook URL to submit a...

PT-2026-50168

Name of the Vulnerable Software and Affected Versions n8n versions prior to 1.123.55 n8n versions prior to 2.25.7 n8n versions prior to 2.26.2 Description An authenticated user with workflow edit access can inject arbitrary JavaScript into the page generated by the Chat Trigger by providing a...

PT-2026-57168

Name of the Vulnerable Software and Affected Versions Crawl4AI versions prior to 0.8.7 Description The Docker API server contains a server-side request forgery SSRF issue where the server makes requests to internal services due to a lack of destination validation for webhook URLs. This can lead t...

PT-2026-50167

Name of the Vulnerable Software and Affected Versions n8n versions prior to 1.123.55 n8n versions prior to 2.25.7 n8n versions prior to 2.26.2 Description An authenticated user with workflow edit access can configure a 'Respond to Webhook' node to serve binary content using an attacker-controlled...

Crawl4AI: Arbitrary file write (symlink/TOCTOU) plus log and webhook-header injection in Docker server

Three backward-compatible hardening fixes in the Docker API server. The headline issue is an arbitrary file write via the screenshot/PDF outputpath...

PT-2026-52867

Summary Three backward-compatible hardening fixes in the Docker API server. The headline issue is an arbitrary file write via the screenshot/PDF output path. 1. Arbitrary file write via output path symlink / TOCTOU primary POST /screenshot and POST /pdf accept an output path constrained to ALLOWE...

EUVD-2026-36784

Incorrect access control in the webhook management component of Project Firefly III v6.5.9 allows attackers to scan internal resources via a crafted POST request...

Project Firefly III has incorrect access control in the webhook management component

Incorrect access control in the webhook management component of Project Firefly III v6.5.9 allows attackers to scan internal resources via a crafted POST request...

GHSA-9MMG-Q95P-GP67 Project Firefly III has incorrect access control in the webhook management component

Incorrect access control in the webhook management component of Project Firefly III v6.5.9 allows attackers to scan internal resources via a crafted POST request...