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CVE-2026-30615 is a prompt-injection vulnerability in Windsurf involving processing of attacker-controlled HTML. Embedded malicious instructions can cause Windsurf to modify the local Model Context Protocol (MCP) configuration and automatically register an attacker-controlled MCP server using the STDIO transport. The registered server can execute arbitrary operating-system commands in the context of the affected user without an additional approval or interaction step. The issue is mapped to CWE-77 (Improper Neutralization of Special Elements used in a Command).
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
17 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
MCP STDIO command-injection vulnerability affecting Windsurf, within the described pattern where MCP configuration strings reach process-spawn operations without sanitization.
A similar vulnerability in Windsurf involving automatic execution of workspace configurations through MCP, mentioned for comparison only.
A vulnerability in Windsurf referenced as part of a broader pattern of AI coding tool auto-execution risks.
A vulnerability in Windsurf where attacker-controlled content could rewrite local MCP configuration to register a malicious server, ultimately enabling command execution.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.