Improper Authorization

n8n-mcp is vulnerable to Improper Authorization. The vulnerability is due to insufficient tenant isolation of locally stored workflow version history, which allows an authenticated tenant to read or delete workflow backups belonging to other tenants, exposing sensitive configuration data and...

CVE-2026-54052 n8n-MCP: Cross-tenant access to workflow version backups in multi-tenant HTTP deployments

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. Prior to 2.56.1, in HTTP mode with multi-tenancy enabled through ENABLEMULTITENANT=true, n8n-mcp's local workflow version history backups were not isolated per tenant, allowing an...

n8n-MCP: Cross-tenant access to workflow version backups in multi-tenant HTTP deployments

Impact In multi-tenant HTTP deployments — where a single n8n-mcp server serves several tenants — the locally stored workflow version history the automatic backups taken before workflow updates was not isolated per tenant. An authenticated tenant could read workflow version snapshots belonging to...

Missing Authorization

Overview n8n-mcp is an Integration between n8n workflow automation and Model Context Protocol MCP Affected versions of this package are vulnerable to Missing Authorization in the workflow version history process in multi-tenant HTTP deployments due to improper isolation of stored backups between...

CVE-2026-59828

Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, post revisions that should be hidden from regular users could be leaked through visible diffs on adjacent revisions serialized by PostRevisionSerializer. This issue is fixed in versions 2026.6.0,...

CVE-2026-41148 Mermaid: Improper sanitization of `classDefs` in diagrams leads to CSS injection

Mermaid is a JavaScript tool that uses Markdown-inspired text to create and modify diagrams and charts. Versions 10.9.5 and prior, in addition to 11.0.0-alpha.1 through 11.12.0 are vulnerable to CSS injection through improper sanitization. The state diagram and any other diagram type that routes...

PT-2026-39740

Name of the Vulnerable Software and Affected Versions Amazon::Credentials versions prior to 1.3.0 Description Amazon::Credentials stores credentials in an obfuscated form to prevent secrets from being accessed via a data dump of the object. The software uses a 64-bit key generated by the built-in...

OESA-2026-2122 systemd security update

systemd is a system and service manager that runs as PID 1 and starts the rest of the system. Security Fixes: systemd, a system and service manager, as PID 1 hits an assert and freezes execution when an unprivileged IPC API call is made with spurious data. On version v249 and older the effect is...

`microsoftsystem64` was removed from crates.io for malicious code

microsoftsystem64 installs a hardcoded SSH authorizedkeys entry persistence/backdoor and scans for sensitive files .env, credential-like JSON names, keyword-matching docs, reads their contents, base64-encodes where needed, and exfiltrates everything to a remote server via HTTP. It also packages a...

EUVD-2026-18825

prompts.chat prior to commit 7b81836 contains multiple authorization bypass vulnerabilities due to missing isPrivate checks across API endpoints and page metadata generation that allow unauthorized users to access sensitive data associated with private prompts. Attackers can exploit these missing...

CVE-2026-22663

prompts.chat prior to commit 7b81836 contains multiple authorization bypass vulnerabilities due to missing isPrivate checks across API endpoints and page metadata generation that allow unauthorized users to access sensitive data associated with private prompts. Attackers can exploit these missing...

CVE-2026-22663 prompts.chat Authorization Bypass Information Disclosure

prompts.chat prior to commit 7b81836 contains multiple authorization bypass vulnerabilities due to missing isPrivate checks across API endpoints and page metadata generation that allow unauthorized users to access sensitive data associated with private prompts. Attackers can exploit these missing...

CVE-2026-22663

prompts.chat prior to commit 7b81836 contains multiple authorization bypass vulnerabilities due to missing isPrivate checks across API endpoints and page metadata generation that allow unauthorized users to access sensitive data associated with private prompts. Attackers can exploit these missing...

CVE-2026-22663

CVE-2026-22663 affects prompts.chat prior to commit 7b81836, where missing isPrivate authorization checks across API endpoints and page metadata generation allow unauthorized access to sensitive data tied to private prompts. The vulnerability enables retrieval of private prompt version history, c...

PT-2026-30227

prompts.chat prior to commit 7b81836 contains multiple authorization bypass vulnerabilities due to missing isPrivate checks across API endpoints and page metadata generation that allow unauthorized users to access sensitive data associated with private prompts. Attackers can exploit these missing...

Suricata 安全漏洞

Suricata is a network IDS, IPS, and NSM engine developed by the Open Information Security Foundation. Versions of Suricata prior to 8.0.0 and 8.0.4 contained security vulnerabilities. These vulnerabilities stemmed from a quadratic complexity issue during the search for URLs in MIME-encoded SMTP...

changedetection.io 信息泄露漏洞

changedetection.io is a website-based application developed by dgtlmoon, designed for change detection, monitoring, and notification. Versions of changedetection.io prior to 0.54.7 contained a vulnerability related to information leakage. This vulnerability stemmed from the use of filter...

A Large-Scale Empirical Study on the Generalizability of Disclosed Java Library Vulnerability Exploits

Open-source software supply chain security relies heavily on assessing affected versions of library vulnerabilities. While prior studies have leveraged exploits for verifying vulnerability affected versions, they point out a key limitation that exploits are version-specific and cannot be directly...

CVE-2026-29111

systemd, a system and service manager, as PID 1 hits an assert and freezes execution when an unprivileged IPC API call is made with spurious data. On version v249 and older the effect is not an assert, but stack overwriting, with the attacker controlled content. From version v250 and newer this i...

EUVD-2026-10756

Server-Side Request Forgery SSRF vulnerability in pdfmake versions 0.3.0-beta.2 through 0.3.5 allows a remote attacker to obtain sensitive information via the src/URLResolver.js component. The fix was released in version 0.3.6 which introduces the setUrlAccessPolicy method allowing server operato...