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...

EUVD-2026-38377

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...

GHSA-X845-2F78-7V36 Blocky DNSSEC validation bypass and validation-cache scope pollution

Summary Blocky accepts and caches forged DNS answers while dnssec.validate: true is enabled. The issue has two related exploit paths: 1. Basic DNSSEC validation bypass. If an untrusted upstream returns an unsigned positive answer for a DNSSEC-signed public domain, Blocky classifies the response a...

GHSA-FC26-M9PF-V56Q PraisonAI LinearBot processes unsigned webhooks when LINEAR_WEBHOOK_SECRET is missing

PraisonAI LinearBot processes unsigned webhooks when LINEARWEBHOOKSECRET is missing Summary PraisonAI's LinearBot starts a public webhook listener on 0.0.0.0 and treats LINEARWEBHOOKSECRET as optional. When the secret is absent, startup only logs a warning and handlewebhook skips Linear-Signature...

PraisonAI LinearBot processes unsigned webhooks when LINEAR_WEBHOOK_SECRET is missing

PraisonAI LinearBot processes unsigned webhooks when LINEARWEBHOOKSECRET is missing Summary PraisonAI's LinearBot starts a public webhook listener on 0.0.0.0 and treats LINEARWEBHOOKSECRET as optional. When the secret is absent, startup only logs a warning and handlewebhook skips Linear-Signature...

libexif: libexif: Information disclosure and crashes via integer overflow in Nikon MakerNote handling

A flaw was found in libexif. A local attacker on a 32-bit system could exploit an unsigned 32-bit integer overflow vulnerability in the Nikon MakerNote handling. This could lead to application crashes or the disclosure of sensitive information...

libexif: libexif: Information disclosure and crashes via integer overflow in Nikon MakerNote handling

A flaw was found in libexif. A local attacker on a 32-bit system could exploit an unsigned 32-bit integer overflow vulnerability in the Nikon MakerNote handling. This could lead to application crashes or the disclosure of sensitive information...

libexif: libexif: Information disclosure and crashes via integer overflow in Nikon MakerNote handling

A flaw was found in libexif. A local attacker on a 32-bit system could exploit an unsigned 32-bit integer overflow vulnerability in the Nikon MakerNote handling. This could lead to application crashes or the disclosure of sensitive information...

CVE-2026-47223

NanaZip (derivative of 7‑Zip) is affected from 3.0.1000.0 up to before 6.0.1698.0. The vulnerability is a heap out‑of‑bounds read in the AVB vbmeta image parser (AvbHandler) caused by a 32‑bit unsigned overflow in the bounds check (pos + ht.salt_len > descSize) that lets an attacker‑controlled...

CVE-2026-47222 NanaZip: Heap out-of-bounds read in NanaZip AVB property descriptor parser via unsigned integer underflow

NanaZip is the 7-Zip derivative intended for the modern Windows experience. From version 3.0.1000.0 to before version 6.0.1698.0, a heap out-of-bounds read exists in the Android Verified Boot AVB vbmeta image parser in NanaZip via the upstream 7-Zip AvbHandler. An unsigned integer underflow in a...

CVE-2026-47222 NanaZip: Heap out-of-bounds read in NanaZip AVB property descriptor parser via unsigned integer underflow

NanaZip is the 7-Zip derivative intended for the modern Windows experience. From version 3.0.1000.0 to before version 6.0.1698.0, a heap out-of-bounds read exists in the Android Verified Boot AVB vbmeta image parser in NanaZip via the upstream 7-Zip AvbHandler. An unsigned integer underflow in a...

GHSA-R3RC-9HPW-54V9 SwiftNIO: Out-of-bounds write via ByteBuffer index and length UInt32 overflow

Summary A program using swift-nio is vulnerable to a potential out-of-bounds write when attacker-controlled index or length values exceeding UInt32.max are passed to some ByteBuffer methods. This affects all swift-nio versions from 1.0.0 to 2.99.0. It is fixed in 2.100.0 and later releases. Detai...

SwiftNIO: Out-of-bounds write via ByteBuffer index and length UInt32 overflow

Summary A program using swift-nio is vulnerable to a potential out-of-bounds write when attacker-controlled index or length values exceeding UInt32.max are passed to some ByteBuffer methods. This affects all swift-nio versions from 1.0.0 to 2.99.0. It is fixed in 2.100.0 and later releases. Detai...

OESA-2026-2618 libsoup security update

libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications. Security Fixes: A flaw was found in libsoup. The SoupWebsocketConnection may accept a large...

OESA-2026-2617 libsoup security update

libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications. Security Fixes: A flaw was found in libsoup. The SoupWebsocketConnection may accept a large...

OESA-2026-2616 libsoup security update

libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications. Security Fixes: A flaw was found in libsoup. A remote attacker could exploit an unsigned to...

OESA-2026-2615 libsoup security update

libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications. Security Fixes: A flaw was found in libsoup. A remote attacker could exploit an unsigned to...

SUSE CVE-2026-11789

A flaw was found in 389 Directory Server. The SMD5 password storage plugin performs unsigned integer underflow when computing salt length from a crafted password hash shorter than 16 bytes, causing a buffer over-read that crashes the LDAP server during authentication...

SUSE CVE-2026-11850

An integer underflow vulnerability was found in MIT krb5 in the berval2tldata function in plugins/kdb/ldap/libkdbldap/ldapprincipal2.c. The function performs an unsigned subtraction bvlen - 2 without a prior bounds check. When bvlen is 0 or 1, the subtraction wraps to a large value which is then...

PT-2026-48928

Summary A program using swift-nio is vulnerable to a potential out-of-bounds write when attacker-controlled index or length values exceeding UInt32.max are passed to some ByteBuffer methods. This affects all swift-nio versions from 1.0.0 to 2.99.0. It is fixed in 2.100.0 and later releases. Detai...