GHSA-5M98-CGCR-XX3Q n8n: GitHub Trigger 422 Reuse Path Skips Webhook Secret Storage, Causing Signature Verification to Fail-Open

Impact The GitHub Trigger generated a signing secret when it registered a webhook and verified X-Hub-Signature-256 on each delivery. When GitHub answered the create request with a 422 because a webhook for the URL already existed, the node adopted the remote hook but kept only its id and events,...

GO-2026-6415 SiYuan: Publish-access filter on renderAttributeView leaves related-database content unfiltered and fails open on non-block first columns in github.com/siyuan-note/siyuan/kernel

SiYuan: Publish-access filter on renderAttributeView leaves related-database content unfiltered and fails open on non-block first columns in github.com/siyuan-note/siyuan/kernel...

PYSEC-2026-3873 Omnigent Guardrail policy bypass: shell-command parser fails open in policies/builtins/_shell.py

Reporter: Aaron / Aeon — autonomous security agent https://github.com/aaronjmars/aeon Project: omnigent-ai/omnigent v0.1.0 Databricks — meta-harness running Claude Code / Codex / Pi "in check with policies and sandboxing" Component: omnigent/policies/builtins/shell.py shared parser → consumed by...

Omnigent Guardrail policy bypass: shell-command parser fails open in policies/builtins/_shell.py

Reporter: Aaron / Aeon — autonomous security agent https://github.com/aaronjmars/aeonProject: omnigent-ai/omnigent v0.1.0 Databricks — meta-harness running Claude Code / Codex / Pi "in check with policies and sandboxing"Component: omnigent/policies/builtins/shell.py shared parser → consumed by...

PraisonAI: Authentication fail-open in Recipe server allows unauthenticated access when API key or JWT auth is configured without a secret

SummaryThe PraisonAI Recipe HTTP server silently allows unauthenticated requests when auth is configured as api-key or jwt but the corresponding secret is missing.This creates an authentication fail-open condition. An operator can start the Recipe server with authentication enabled, including on ...

PYSEC-2026-3889 PraisonAI: Authentication fail-open in Recipe server allows unauthenticated access when API key or JWT auth is configured without a secret

Summary The PraisonAI Recipe HTTP server silently allows unauthenticated requests when auth is configured as api-key or jwt but the corresponding secret is missing. This creates an authentication fail-open condition. An operator can start the Recipe server with authentication enabled, including o...

PYSEC-2026-3895 PraisonAI: Webhook SSRF via DNS fail-open in `JobSubmitRequest.validate_webhook_url()` — bypass of CVE-2026-40114

Summary praisonai/jobs/models.py::JobSubmitRequest.validatewebhookurl validates webhook URLs by resolving the hostname and checking whether the IP is private. When DNS resolution fails socket.gaierror, the validator silently passes the URL via except socket.gaierror: pass. Additionally, even when...

PraisonAI: Webhook SSRF via DNS fail-open in `JobSubmitRequest.validate_webhook_url()` — bypass of CVE-2026-40114

Summarypraisonai/jobs/models.py::JobSubmitRequest.validatewebhookurl validates webhookURLs by resolving the hostname and checking whether the IP is private. When DNSresolution fails socket.gaierror, the validator silently passes the URL viaexcept socket.gaierror: pass. Additionally, even when DNS...

SUSE CVE-2026-55873

SeaweedFS is a distributed storage system. In versions 4.08 through 4.33, requests signed with SigV4 service s3tables are routed to the S3Tables management API where authorization collapses account-less S3 identities into the shared admin account and fails open, allowing an authenticated...

CVE-2026-86080 n8n: GitHub Trigger 422 Reuse Path Skips Webhook Secret Storage, Causing Signature Verification to Fail-Open

n8n is an open source workflow automation platform. Prior to 1.123.76, 2.37.7, and 2.38.2, the GitHub Trigger generated a webhook secret but discarded it when GitHub returned HTTP 422 and the node reused an existing webhook. Workflow static data then retained webhookId without webhookSecret, and...

CVE-2026-86080 n8n: GitHub Trigger 422 Reuse Path Skips Webhook Secret Storage, Causing Signature Verification to Fail-Open

n8n is an open source workflow automation platform. Prior to 1.123.76, 2.37.7, and 2.38.2, the GitHub Trigger generated a webhook secret but discarded it when GitHub returned HTTP 422 and the node reused an existing webhook. Workflow static data then retained webhookId without webhookSecret, and...

CVE-2026-86080 n8n: GitHub Trigger 422 Reuse Path Skips Webhook Secret Storage, Causing Signature Verification to Fail-Open

n8n is an open source workflow automation platform. Prior to 1.123.76, 2.37.7, and 2.38.2, the GitHub Trigger generated a webhook secret but discarded it when GitHub returned HTTP 422 and the node reused an existing webhook. Workflow static data then retained webhookId without webhookSecret, and...

CVE-2026-86080

n8n , an open source workflow automation platform, is affected by a fail-open signature verification flaw in its GitHub Trigger . When GitHub returns HTTP 422 and the node reuses an existing webhook, the generated webhook secret is discarded , leaving workflow static data with a webhookId but no ...

EUVD-2026-69419

gRPC-Go: xDS RBAC HTTP Filter bypass via mixed-case Header Matching and gRFC A41 validation evasion...

CVE-2026-81379

Not failing securely 'failing open' in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network...

Visual Studio Code Security Feature Bypass Vulnerability

Not failing securely 'failing open' in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network...

CVE-2026-82758

Improper Authentication vulnerability in ash-project ashauthenticationoauth2server allows an unauthenticated attacker to register OAuth clients even when Dynamic Client Registration is gated by an initial access token. resolvesecret/3 in AshAuthentication.Oauth2Server reached through resolvesecre...

EUVD-2026-72540

Improper Authentication vulnerability in ash-project ashauthenticationoauth2server allows an unauthenticated attacker to register OAuth clients even when Dynamic Client Registration is gated by an initial access token. resolvesecret/3 in AshAuthentication.Oauth2Server reached through resolvesecre...

CVE-2026-82758

ash_authentication_oauth2_server (ash-project, Elixir) has an Improper Authentication flaw in resolve_secret/3: any secret-provider return other than {:ok, _} or :error was treated as valid, wrapping nil, false, or "" as {:ok, value}. When the initial_access_token resolves to such an empty value,...

EEF-CVE-2026-82758 ash_authentication_oauth2_server treats an empty resolved secret as valid, opening the gated Dynamic Client Registration endpoint

Summary Improper Authentication vulnerability in ash-project ashauthenticationoauth2server allows an unauthenticated attacker to register OAuth clients even when Dynamic Client Registration is gated by an initial access token. resolvesecret/3 in AshAuthentication.Oauth2Server reached through...