CVE-2026-103245

Versions of n8n prior to 1.123.80, 2.39.6, and 2.40.1 are vulnerable to a missing webhook signature verification flaw in the Webflow Trigger node webhook handler. The application fails to verify the x-webflow-signature HMAC, allowing unauthenticated attackers to send forged webhook requests with ...

CVE-2026-103245 n8n before 1.123.80, 2.39.6, and 2.40.1 Missing Webhook Signature Verification

n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 fail to verify the x-webflow-signature HMAC in the Webflow Trigger node webhook handler. Unauthenticated attackers can send forged webhook requests with attacker-controlled payloads to trigger workflows and...

EUVD-2026-85063

The Premium Packages WordPress plugin before 7.2.1 does not verify PayPal's webhook signature before processing payment and subscription notifications, allowing unauthenticated attackers to forge payment confirmations and subscription-cancellation events against any order whose transaction id the...

EUVD-2026-85049

The Paymob for WooCommerce WordPress plugin before 4.1.14 does not verify the request signature on the card-token branch of its payment webhook, allowing unauthenticated attackers to write a card-token record to any user's account and to enumerate registered accounts...

EUVD-2026-80391

The lack of signature verification of firmware update packages in VEO and VEO-XS Wi-Fi monitors, in versions prior to 01.48.001, allows an attacker who controls the delivery of an update to install unauthorised firmware...

PYSEC-2026-3756

opensslencrypt versions before 1.4.0 contain a vulnerability in PublicKeyBundle.fromdict that creates key bundles from untrusted data without verifying signatures. Attackers can call fromdict followed by toidentity without signature verification to encrypt data using attacker-controlled public...

CVE-2026-16742 systemd-homed: local privilege escalation via missing home-record signature verification on the authenticate path

systemd-homed contains a local privilege escalation bug via arbitrary system group addition to a local, logged in, homed-managed user...

CVE-2026-16742

systemd-homed contains a local privilege escalation bug via arbitrary system group addition to a local, logged in, homed-managed user...

User Impersonation

Overview PraisonAI is a PraisonAI is an AI Agents Framework with Self Reflection. PraisonAI application combines PraisonAI Agents, AutoGen, and CrewAI into a low-code solution for building and managing multi-agent LLM systems, focusing on simplicity, customisation, and efficient human-agent...

CVE-2026-56357

n8n before 1.123.15 and 2.5.0 contains a webhook forgery vulnerability in the GitHub Webhook Trigger node that fails to implement HMAC-SHA256 signature verification. Attackers who know the webhook URL can send unsigned POST requests to trigger workflows with arbitrary data, spoofing GitHub webhoo...

CVE-2026-56357 n8n - Webhook Forgery via Missing HMAC-SHA256 Signature Verification in GitHub Webhook Trigger

n8n before 1.123.15 and 2.5.0 contains a webhook forgery vulnerability in the GitHub Webhook Trigger node that fails to implement HMAC-SHA256 signature verification. Attackers who know the webhook URL can send unsigned POST requests to trigger workflows with arbitrary data, spoofing GitHub webhoo...

CVE-2026-42249

Ollama for Windows contains a Remote Code Execution vulnerability in its update mechanism due to improper handling of attacker‑controlled HTTP response headers. When downloading updates, the application constructs local file paths using values derived from HTTP headers without validation. These...

CVE-2026-45156 Nextcloud: Authentication Bypass in ID4me handling via Missing JWT Signature Verification in User OIDC

Nextcloud is an open source content collaboration platform. From versions 0.3.0 to before 3.1.0, 5.0.0 to before 5.1.0, and 6.0.0 to before 6.4.0, a missing signature verification in User OIDC allowed a malicious ID4me authority to identify as any user. This issue has been patched in versions...

CVE-2026-45156

Nextcloud vulnerable component: User OIDC handling; a missing signature verification allowed an ID4me authority to impersonate any user. Affected versions: 0.3.0–before 3.1.0, 5.0.0–before 5.1.0, and 6.0.0–before 6.4.0. Root cause: absent JWT/signature check in OIDC flow as described in the CVE d...

CVE-2026-45156: Improper Authentication

Nextcloud is an open source content collaboration platform. From versions 0.3.0 to before 3.1.0, 5.0.0 to before 5.1.0, and 6.0.0 to before 6.4.0, a missing signature verification in User OIDC allowed a malicious ID4me authority to identify as any user. This issue has been patched in versions...

Authentication Bypass

MinIO is vulnerable to Authentication Bypass. The vulnerability is due to missing signature verification for authTypeStreamingUnsignedTrailer requests in the Snowball auto-extract handler, which allows an attacker with knowledge of a valid access key to upload arbitrary objects without providing ...

CVE-2026-42193 Plunk: SNS webhook forgery

Plunk is an open-source email platform built on top of AWS SES. Prior to version 0.9.0, the /webhooks/sns endpoint accepts Amazon SNS notification payloads from unauthenticated requests without verifying the SNS signature, certificate, or topic ARN, meaning anyone can forge a valid-looking webhoo...

CVE-2026-42249

Ollama for Windows contains a Remote Code Execution vulnerability in its update mechanism due to improper handling of attacker‑controlled HTTP response headers. When downloading updates, the application constructs local file paths using values derived from HTTP headers without validation. These...

CVE-2026-42249 Remote Code Execution in Ollama via Update Mechanism

Ollama for Windows contains a Remote Code Execution vulnerability in its update mechanism due to improper handling of attacker‑controlled HTTP response headers. When downloading updates, the application constructs local file paths using values derived from HTTP headers without validation. These...

CVE-2026-42249 Remote Code Execution in Ollama via Update Mechanism

Ollama for Windows contains a Remote Code Execution vulnerability in its update mechanism due to improper handling of attacker‑controlled HTTP response headers. When downloading updates, the application constructs local file paths using values derived from HTTP headers without validation. These...