PT-2026-56437

n8n before versions 1.123.18 and 2.6.2 fails to verify HMAC-SHA256 signatures on Zendesk webhooks in the ZendeskTrigger node. Attackers who know the webhook URL can send unsigned POST requests to trigger workflows with arbitrary malicious data...

CVE-2026-56360: Authentication Bypass by Spoofing

n8n before versions 1.123.18 and 2.6.2 fails to verify HMAC-SHA256 signatures on Zendesk webhooks in the ZendeskTrigger node. Attackers who know the webhook URL can send unsigned POST requests to trigger workflows with arbitrary malicious data...

PYSEC-2026-2050 Domain restrictions bypass via DNS Rebinding in WireMock and WireMock Studio webhooks, proxy and recorder modes

Impact The proxy mode of WireMock, can be protected by the network restrictions configuration, as documented in Preventing proxying to and recording from specific target addresses. These restrictions can be configured using the domain names, and in such a case the configuration is vulnerable to t...

CVE-2026-44937

Potential forgery of webhook requests when using a unauthenticated webhook in SUSE Rancher Fleet 0.15 before 0.15.2, 0.14 before 0.14.6, 0.13 before 0.13.11 and 0.12 before 0.12.5 could be used by remote attackers to cause a denial of service or a downgrade attack on other repositories on the...

CVE-2026-44937

Potential forgery of webhook requests when using a unauthenticated webhook in SUSE Rancher Fleet 0.15 before 0.15.2, 0.14 before 0.14.6, 0.13 before 0.13.11 and 0.12 before 0.12.5 could be used by remote attackers to cause a denial of service or a downgrade attack on other repositories on the...

CVE-2026-11855

The Simple Membership WordPress plugin before 4.7.5 does not verify the authenticity of Stripe webhook requests when no signing secret is configured, nor escape a value taken from them before outputting it in an administrator notice, allowing unauthenticated attackers to inject arbitrary web...

EUVD-2026-41820

The Simple Membership WordPress plugin before 4.7.5 does not verify the authenticity of Stripe webhook requests when no signing secret is configured, nor escape a value taken from them before outputting it in an administrator notice, allowing unauthenticated attackers to inject arbitrary web...

PT-2026-55866

The Simple Membership WordPress plugin before 4.7.5 does not verify the authenticity of Stripe webhook requests when no signing secret is configured, nor escape a value taken from them before outputting it in an administrator notice, allowing unauthenticated attackers to inject arbitrary web...

GHSA-275C-XPVC-JGFW OpenClaw: Slack and Zalo webhook secrets could remain active after secrets.reload

Summary Slack and Zalo webhook secrets could remain active after secrets.reload. In affected versions, a caller with an old webhook secret during the stale-secret window could keep accepting the previous secret after secrets.reload. This advisory is scoped to the named feature and configuration. ...

User Impersonation

Overview Affected versions of this package are vulnerable to User Impersonation via the pipeline.Author process. An attacker can execute unauthorized pipeline steps and exfiltrate CI secrets by setting the commit author name in a GitLab webhook payload to match an entry in the approval list,...

CVE-2026-57952 Mythic < 3.4.0.60 - Unauthorized C2 Profile Configuration Access via Unverified Payload UUID

Mythic before 3.4.0.60 contains an authorization bypass vulnerability in four REST endpoints c2profileconfigcheckwebhook, c2profileredirectruleswebhook, c2profilegetiocwebhook, c2profilesamplemessagewebhook that fail to verify payload ownership. An operator in one operation can invoke these...

CVE-2026-56823: Improper Access Control

AutoGPT is a workflow automation platform for creating, deploying, and managing continuous artificial intelligence agents. Prior to , the POST /api/integrations/webhooks/webhookid/ping endpoint fetches the target webhook by primary key alone without verifying that the webhook belongs to the...

CVE-2026-57522

Bitwarden Server before 2026.5.0 contains a JSON injection vulnerability in IntegrationTemplateProcessor.ReplaceTokens, which substitutes user-controlled values into event-integration templates without JSON encoding. When an organization has configured an event integration whose template referenc...

EUVD-2026-39543

Bitwarden Server before 2026.5.0 contains a JSON injection vulnerability in IntegrationTemplateProcessor.ReplaceTokens, which substitutes user-controlled values into event-integration templates without JSON encoding. When an organization has configured an event integration whose template referenc...

CVE-2026-57522 Bitwarden Server < 2026.5.0 JSON Injection via Webhook Templates

Bitwarden Server before 2026.5.0 contains a JSON injection vulnerability in IntegrationTemplateProcessor.ReplaceTokens, which substitutes user-controlled values into event-integration templates without JSON encoding. When an organization has configured an event integration whose template referenc...

EUVD-2026-39517

Maxun before 0.0.42 contains a cross-tenant insecure direct object reference vulnerability in storage and webhook API handlers that allows authenticated users to access other users' robots and OAuth tokens. Attackers can read plaintext Google and Airtable access tokens, modify, delete, or execute...

CVE-2026-47267

Gogs is an open source self-hosted Git service. Prior to 0.14.3, the fix for CVE-2022-1285 prevents adding webooks or running webhooks with URLs with a hostname that resolves in localCIDRs. However, webhooks still follow redirects allowing to access hostname inside localCIDRs. This vulnerability ...

CVE-2026-47267

Gogs is an open source self-hosted Git service. Prior to 0.14.3, the fix for CVE-2022-1285 prevents adding webooks or running webhooks with URLs with a hostname that resolves in localCIDRs. However, webhooks still follow redirects allowing to access hostname inside localCIDRs. This vulnerability ...

CVE-2026-47267 Gogs: SSRF in webhook deliveries

Gogs is an open source self-hosted Git service. Prior to 0.14.3, the fix for CVE-2022-1285 prevents adding webooks or running webhooks with URLs with a hostname that resolves in localCIDRs. However, webhooks still follow redirects allowing to access hostname inside localCIDRs. This vulnerability ...

CVE-2026-47267 Gogs: SSRF in webhook deliveries

Gogs is an open source self-hosted Git service. Prior to 0.14.3, the fix for CVE-2022-1285 prevents adding webooks or running webhooks with URLs with a hostname that resolves in localCIDRs. However, webhooks still follow redirects allowing to access hostname inside localCIDRs. This vulnerability ...