GitHub Copilot
Score-based assessment (medium risk, 42/100). No analyst review available.
Analysis record
- Analysed
- 8 months ago
- Version
- v1.388.0
- Artifact
- SHA256 ED1…E19
- Source
- Findings (non-IoC)
Evidence ledger
Ranked by severity · findings with a source location link to the code viewer
YARA Rule Matches
19 rules| Severity | Rule | Hits | Files | Metadata |
|---|---|---|---|---|
| HIGH | credential env files Environment configuration file path detected | 5 | dist/extensionUninstalled.jsdist/main.jsdist/indexWorker.js +2 more | Risky Plugins Authors FP 10% |
| HIGH | postinstall obfuscation Code obfuscation techniques detected | 19 | dist/web.js.mapdist/compiled/linux/x64/kerberos.nodedist/comparisonPanelWebview.js +16 more | Risky Plugins Authors FP 20% |
| HIGH | postinstall registry modification Windows registry modification detected | 12 | dist/comparisonPanelWebview.js.mapdist/extension.jsdist/extensionUninstalled.js +9 more | Risky Plugins Authors FP 30% |
| HIGH | NoUseEval The eval function is extremely dangerous. Because if any user input is not handled correctly and passed to it, it will be possible to execute code remotely in the context of your application (RCE - Remote Code Executuion). For more information checkout the CWE-94 (https://cwe.mitre.org/data/definitions/94.html) advisory. | 5 | dist/extension.jsdist/web.jsdist/indexWorker.js +2 more | FP 10% |
| HIGH | RedirectToUnknownPath Sanitizing untrusted URLs is an important technique for preventing attacks such as request forgeries and malicious redirections. Often, this is done by checking that the host of a URL is in a set of allowed hosts. For more information checkout the CWE-20 (https://cwe.mitre.org/data/definitions/20.html) advisory. | 3 | dist/extensionUninstalled.jsdist/main.jsdist/extension.js | FP 30% |
| HIGH | postinstall file download File download activity detected | 13 | dist/extension.jsdist/extensionUninstalled.jsdist/indexWorker.js.map +10 more | Risky Plugins Authors FP 30% |
| HIGH | credential git credentials Git credentials/configuration path detected | 4 | dist/web.jsdist/extensionUninstalled.jsdist/main.js +1 more | Risky Plugins Authors FP 20% |
| HIGH | NoUseWeakRandom When software generates predictable values in a context requiring unpredictability, it may be possible for an attacker to guess the next value that will be generated, and use this guess to impersonate another user or access sensitive information. As the Math.random() function relies on a weak pseudorandom number generator, this function should not be used for security-critical applications or for protecting sensitive data. In such context, a cryptographically strong pseudorandom number generator (CSPRNG) should be used instead. For more information checkout the CWE-338 (https://cwe.mitre.org/data/definitions/338.html) advisory. | 6 | dist/web.jsdist/main.jsdist/extensionUninstalled.js +3 more | FP 5% |
| HIGH | postinstall persistence mechanism Persistence mechanism detected | 9 | package.jsondist/extensionUninstalled.js.mapdist/extension.js.map +6 more | Risky Plugins Authors FP 20% |
| HIGH | postinstall system command System command execution detected | 25 | dist/tree-sitter-cpp.wasmdist/web.js.mapdist/compiled/linux/arm64/kerberos.node +22 more | Risky Plugins Authors FP 10% |
| HIGH | postinstall network communication Network communication detected | 19 | dist/extensionUninstalled.js.mapdist/comparisonPanelWebview.jspackage.json +16 more | Risky Plugins Authors FP 30% |
| HIGH | postinstall file manipulation File system manipulation detected | 29 | dist/extensionUninstalled.js.mapdist/indexWorker.js.mapdist/tree-sitter.wasm +26 more | Risky Plugins Authors FP 20% |
| HIGH | UsingShellInterpreterWhenExecutingOSCommands Arbitrary OS command injection vulnerabilities are more likely when a shell is spawned rather than a new process, indeed shell meta-chars can be used (when parameters are user-controlled for instance) to inject OS commands. For more information checkout the CWE-78 (https://cwe.mitre.org/data/definitions/78.html) advisory. | 3 | dist/extension.jsdist/main.jsdist/extensionUninstalled.js | FP 10% |
| HIGH | credential macos keychain macOS Keychain path detected | 3 | dist/extension.jsdist/main.jsdist/extensionUninstalled.js | Risky Plugins Authors FP 20% |
| HIGH | DebuggerStatementsShouldNotBeUsed The debugger statement can be placed anywhere in procedures to suspend execution. Using the debugger statement is similar to setting a breakpoint in the code. By definition such statement must absolutely be removed from the source code to prevent any unexpected behavior or added vulnerability to attacks in production. For more information checkout the CWE-489 (https://cwe.mitre.org/data/definitions/489.html) advisory. | 14 | dist/extension.js.mappackage.jsondist/tree-sitter-tsx.wasm +11 more | FP 10% |
| HIGH | postinstall crypto operations Cryptographic operations detected | 23 | dist/tree-sitter-ruby.wasmdist/compiled/linux/x64/kerberos.nodedist/extensionUninstalled.js +20 more | Risky Plugins Authors FP 30% |
| HIGH | UsingCommandLineArguments Command line arguments can be dangerous just like any other user input. They should never be used without being first validated and sanitized. Remember also that any user can retrieve the list of processes running on a system, which makes the arguments provided to them visible. Thus passing sensitive information via command line arguments should be considered as insecure. This rule raises an issue when on every program entry points (main methods) when command line arguments are used. The goal is to guide security code reviews. Sanitize all command line arguments before using them. For more information checkout the CWE-88 (https://cwe.mitre.org/data/definitions/88.html) advisory. | 5 | dist/web.jsdist/main.js.mapdist/main.js +2 more | FP 20% |
| HIGH | NoUseSocketManually Sockets are vulnerable in multiple ways: They enable a software to interact with the outside world. As this world is full of attackers it is necessary to check that they cannot receive sensitive information or inject dangerous input.The number of sockets is limited and can be exhausted. Which makes the application unresponsive to users who need additional sockets. In many cases there is no need to open a socket yourself. Use instead libraries and existing protocols For more information checkout the CWE-20 (https://cwe.mitre.org/data/definitions/20.html) advisory. | 3 | dist/extension.jsdist/main.jsdist/extensionUninstalled.js | FP 20% |
| HIGH | OriginsNotVerified Browsers allow message exchanges between Window objects of different origins. Because any window can send / receive messages from other window it is important to verify the sender's / receiver's identity: When sending message with postMessage method, the identity's receiver should be defined (the wildcard keyword (*) should not be used).\nWhen receiving message with message event, the sender's identity should be verified using the origin and possibly source properties. For more information checkout the OWASP A2:2017 (https://owasp.org/www-project-top-ten/2017/A2_2017-Broken_Authentication) and (https://developer.mozilla.org/en-US/docs/Web/API/Window/postMessage) advisory. | 4 | dist/web.jsdist/extension.jsdist/main.js +1 more | FP 15% |
Publisher Evidence
LowGitHub
Publisher identity, store signals, distribution reach, and warning signals used for context. Treat this as supporting evidence, not a clean bill of health.
12 evidence rows available.
Finding Categories
YARA Rules Matched
19 rules(204 hits)AI Security Report
AI Security Review
Evidence context: threat category none; evidence quality strong.
The GitHub Copilot extension has been analyzed, and the findings suggest it is a legitimate development tool with broad access. The extension's stated purpose is to provide AI-powered code completion, and the filesystem and process access are justified by this purpose. The findings include dependencies such as events@^3.3.0, web-tree-sitter@^0.23.0, and @vscode/chat-lib@^0.0.4, which are expected for a development tool. There are no malware signatures or suspicious network calls. The strongest counterargument to this verdict is that the extension has a large number of dependencies, which could potentially introduce security risks. However, upon closer inspection, these dependencies are all related to the extension's functionality and are not suspicious. The extension is from a verified publisher, GitHub, which adds to its legitimacy. In conclusion, the findings are consistent with expected IDE behavior, and there is no evidence to suggest malicious intent.
Key Reasons
- legitimate development tool
- justified filesystem and process access
- no malware signatures or suspicious network calls
False Positive Considerations
- bundled dependencies
- expected IDE behavior
Reviewed 2026-05-23; recommended action: no action; model confidence 90%.
Source Code Not Available
Source code is not available for this version of the extension.
About This Extension
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