Description of the security update for SharePoint Server Subscription Edition: June 9, 2026 (KB5002873)

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Description of the security update for SharePoint Server 2016: June 9, 2026 (KB5002880)

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PT-2026-58968

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...

PT-2026-58936

Summary Live PoC verified 2026-04-30 against a stock FacturaScripts master at 127.0.0.1:8081. A low-privilege user lowpriv created a customer with nombre = "=SUM1+1cmd|/c calc!A1". An admin then exported ListCliente to CSV via ?action=export&option=CSV. The downloaded file contains the raw payloa...

PT-2026-60089

Summary Kimai 2.56.0 contains an authenticated authorization bypass in the timesheet restart and duplicate workflows. After a user loses access to a project, the user can still derive a new timesheet from one of their historical entries and create a new record under that now-unauthorized project...

PT-2026-60107

Name of the Vulnerable Software and Affected Versions n8n-mcp versions prior to 2.57.4 Description In multi-tenant HTTP mode, an authenticated tenant can access local default-scope workflow versions backups instead of being restricted to their own tenant scope. This issue allows an authenticated...

PT-2026-58933

Summary In multi-tenant HTTP mode ENABLE MULTI TENANT=true, an authenticated tenant could, under certain conditions, reach n8n-mcp's local default-scope workflow versions backups instead of being confined to its own tenant scope. This affects n8n-mcp's own local workflow-version storage, not a...

PT-2026-58850

Name of the Vulnerable Software and Affected Versions mastergo-design mastergo-magic-mcp versions prior to 0.2.1 Description Path traversal occurs in the execute function within the mastergo/component-workflow.md file of the mcp getComponentGenerator component. This issue arises from the improper...

Decidim: Verification documents can be downloaded through reusable links

Description Scanned identity-document images provided by participants and shown in the verification admin workflow are exposed through signed /rails/activestorage/disk/ URLs that can be fetched without any authenticated session. Anyone who obtains one of those URLs can retrieve the document until...

PraisonAI vulnerable to unauthenticated arbitrary file read via MCP workflow.show, workflow.validate, deploy.validate

SummaryThe fix for GHSA-9mqq-jqxf-grvw / CVE-2026-44336 is incomplete. The original advisory description named four vulnerable handlers in mcpserver/adapters/clitools.py: "registers four file-handling tools by default, praisonai.rules.create, praisonai.rules.show, praisonai.rules.delete, and...

PYSEC-2026-2908 PraisonAI vulnerable to unauthenticated arbitrary file read via MCP workflow.show, workflow.validate, deploy.validate

Summary The fix for GHSA-9mqq-jqxf-grvw / CVE-2026-44336 is incomplete. The original advisory description named four vulnerable handlers in mcpserver/adapters/clitools.py: "registers four file-handling tools by default, praisonai.rules.create, praisonai.rules.show, praisonai.rules.delete, and...

PYSEC-2026-2904 PraisonAI ships and generates a legacy API server with authentication disabled by default, allowing unauthenticated workflow execution

Summary PraisonAI ships a legacy Flask API server with authentication disabled by default. When that server is used, any caller that can reach it can access /agents and trigger the configured agents.yaml workflow through /chat without providing a token. Details The vulnerable server is the shippe...

PraisonAI ships and generates a legacy API server with authentication disabled by default, allowing unauthenticated workflow execution

SummaryPraisonAI ships a legacy Flask API server with authentication disabled by default. When that server is used, any caller that can reach it can access /agents and trigger the configured agents.yaml workflow through /chat without providing a token. DetailsThe vulnerable server is the shipped...

PYSEC-2026-3030 PySpector has a Plugin Sandbox Bypass leads to Arbitrary Code Execution

Summary PySpector versions = 0.1.6 are affected by a security validation bypass in the plugin system. The validateplugincode function in pluginsystem.py, performs static AST analysis to block dangerous API calls before a plugin is trusted and executed. However, the internal resolvename helper onl...

CVE-2026-15521

A vulnerability was identified in makafeli n8n-workflow-builder up to 0.11.0. Affected is an unknown function of the file build/server.cjs of the component updatenodefromfile. The manipulation of the argument filePath leads to path traversal. An attack has to be approached locally. The exploit is...

EUVD-2026-43261

A vulnerability was identified in makafeli n8n-workflow-builder up to 0.11.0. Affected is an unknown function of the file build/server.cjs of the component updatenodefromfile. The manipulation of the argument filePath leads to path traversal. An attack has to be approached locally. The exploit is...

CVE-2026-15521 makafeli n8n-workflow-builder update_node_from_file server.cjs path traversal

A vulnerability was identified in makafeli n8n-workflow-builder up to 0.11.0. Affected is an unknown function of the file build/server.cjs of the component updatenodefromfile. The manipulation of the argument filePath leads to path traversal. An attack has to be approached locally. The exploit is...

CVE-2026-15521

The CVE applies to makafeli n8n-workflow-builder up to 0.11.0. Vulnerable is an unknown function in build/server.cjs (update_node_from_file); manipulating the filePath argument enables path traversal. Local attack required; exploit publicly available. Project was informed via issue report but has...

CVE-2026-15521

A vulnerability was identified in makafeli n8n-workflow-builder up to 0.11.0. Affected is an unknown function of the file build/server.cjs of the component updatenodefromfile. The manipulation of the argument filePath leads to path traversal. An attack has to be approached locally. The exploit is...

CVE-2026-15521 makafeli n8n-workflow-builder update_node_from_file server.cjs path traversal

A vulnerability was identified in makafeli n8n-workflow-builder up to 0.11.0. Affected is an unknown function of the file build/server.cjs of the component updatenodefromfile. The manipulation of the argument filePath leads to path traversal. An attack has to be approached locally. The exploit is...