CVE-2026-44502

Bugsink (self-hosted error tracking) has an SSRF bypass vulnerability in the webhook URL validation (validate_webhook_url) affecting versions before 2.1.3. The root cause is a mismatch between Python URL parsing (urllib.parse.urlparse) and the HTTP client stack (requests/urllib3) for malformed in...

CVE-2026-44502 Bugsink: SSRF bypass in `validate_webhook_url`

Bugsink is a self-hosted error tracking tool. Prior to 2.1.3, Bugsink’s webhook URL validation could be partially bypassed because of a mismatch in URL parsing. The original validation logic parsed webhook URLs with Python’s urllib.parse.urlparse, then sent the request with requests.post. For...

org.apache.flink:flink-kubernetes-operator-autoscaler (>=1.4.0, <=1.6.1), org.apache.flink:flink-kubernetes-webhook (>=1.3.0, <=1.14.0) potentially affected by CVE-2026-40564 via org.apache.flink:flink-kubernetes-operator (>=1.3.0, <=1.14.0)

org.apache.flink:flink-kubernetes-operator MAVEN version =1.3.0, =1.4.0, =1.3.0, =1.14.0 Source cves: CVE-2026-40564 Source advisory: MEND:CVE-2026-40564...

CVE-2026-41455

WeKan before 8.35 contains a server-side request forgery vulnerability in webhook integration URL handling where the URL scheme field accepts any string without protocol restriction or destination validation. Attackers who can create or modify integrations can set webhook URLs to internal network...

GHSA-5GMF-X7HG-97WF Mattermost doesn't filter nil elements from outgoing webhook attachment payloads before processing

Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to filter nil elements from outgoing webhook attachment payloads before processing, which allows an authenticated user to cause a denial of service server process termination via a crafted webhook...

Mattermost doesn't filter nil elements from outgoing webhook attachment payloads before processing

Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to filter nil elements from outgoing webhook attachment payloads before processing, which allows an authenticated user to cause a denial of service server process termination via a crafted webhook...

MAL-2026-4804 Malicious code in @leviyuan/lodestar (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 8c295b3a16fad72f7b165d049e75feb88883dcc1b5b8d9d72b52ac7b40aa09ba The package ships a lifecycle-invoked script dist/lodestar-setup.js that performs an HTTP POST to a hardcoded https://open.feishu.cn endpoint, with...

Malicious code in @leviyuan/lodestar (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 8c295b3a16fad72f7b165d049e75feb88883dcc1b5b8d9d72b52ac7b40aa09ba The package ships a lifecycle-invoked script dist/lodestar-setup.js that performs an HTTP POST to a hardcoded https://open.feishu.cn endpoint, with...

Malicious code in mistral-workflows-plugins-webhook (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: kam193 e87825efe9006ca3d435869b276f0d8526a1255ec71ac6e7aa0ea1bb068b6673 Installing the package or importing the module exfiltrates basic information about the host, and the package has no other purpose. --- Category: PROBABLYPENTES...

MAL-2026-4355 Malicious code in mistral-workflows-plugins-webhook (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: kam193 e87825efe9006ca3d435869b276f0d8526a1255ec71ac6e7aa0ea1bb068b6673 Installing the package or importing the module exfiltrates basic information about the host, and the package has no other purpose. --- Category: PROBABLYPENTES...

PT-2026-43404

MaxKB is an open-source AI assistant for enterprise. Prior to 2.9.0, MaxKB's webhook trigger endpoint /api/trigger/v1/webhook/trigger id is accessible without authentication. The WebhookAuth class unconditionally returns None, , which Django REST Framework interprets as successful authentication...

CVE-2026-44847: Improper Authentication

MaxKB is an open-source AI assistant for enterprise. Prior to 2.9.0, MaxKB's webhook trigger endpoint /api/trigger/v1/webhook/triggerid is accessible without authentication. The WebhookAuth class unconditionally returns None, , which Django REST Framework interprets as successful authentication...

CVE-2026-44502: Server-Side Request Forgery (SSRF)

Bugsink is a self-hosted error tracking tool. Prior to 2.1.3, Bugsink’s webhook URL validation could be partially bypassed because of a mismatch in URL parsing. The original validation logic parsed webhook URLs with Python’s urllib.parse.urlparse, then sent the request with requests.post. For...

CVE-2026-45298: Server-Side Request Forgery (SSRF)

Dozzle is a realtime log viewer for docker containers. Prior to 10.5.2, in a default dozzle deploy the documented quickstart, no DOZZLEAUTHPROVIDER set, POST /api/notifications/test-webhook is reachable without authentication and forwards an attacker-controlled URL into a WebhookDispatcher that...

Bugsink code issues and vulnerabilities

Bugsink is an open-source, self-hosted bug tracking software developed by Bugsink. Versions of Bugsink prior to 2.1.3 had code vulnerabilities. These vulnerabilities stemmed from URL parsing issues, which allowed partial bypass of Webhook URL validation. This could enable attackers to circumvent...

MaxKB Access Control Vulnerability

MaxKB is an open-source question-answering system based on large language models and RAG, developed by 1Panel-dev. Prior to MaxKB 2.9.0, there was an access control vulnerability. This vulnerability stemmed from the Webhook trigger endpoint/api/trigger/v1/webhook/triggerid, which allowed access...

Dozzle code issue vulnerabilities

Dozzle is a small, lightweight application developed by Amir Raminfar as an individual project. Versions of Dozzle prior to 10.5.2 had code vulnerabilities. These vulnerabilities stemmed from the fact that the POST /api/notifications/test-webhook endpoint was not authenticated during default...

Malicious code in happy-dlscord.js (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 2d183bf51c0f2be0102a7a7aeeda661f895e3b075f183d76d5f0f77c09c70860 The package name 'happy-dlscord.js' is a one-character edit of the top-tier npm package 'discord.js' and ships a near-verbatim fork of the upstream...

MAL-2026-4575 Malicious code in happy-dlscord.js (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 2d183bf51c0f2be0102a7a7aeeda661f895e3b075f183d76d5f0f77c09c70860 The package name 'happy-dlscord.js' is a one-character edit of the top-tier npm package 'discord.js' and ships a near-verbatim fork of the upstream...

Improper Check for Unusual or Exceptional Conditions

Overview Affected versions of this package are vulnerable to Improper Check for Unusual or Exceptional Conditions in the outgoing webhook process. An attacker can cause the server to terminate unexpectedly by sending a crafted webhook callback response containing a null attachment entry...