Category

Cve 2026 9277

Security vulnerabilities and automated fixes for cve 2026 9277 issues

5 posts found

critical6 min

How Command Injection via Unescaped Line Terminators Happens in Node.js and How to Fix It

A critical command injection vulnerability (CVE-2026-9277) was discovered in the shell-quote npm package version 1.8.3, where unescaped line terminators could allow attackers to execute arbitrary code. This fix upgrades shell-quote to version 1.9.0 using npm overrides to ensure all instances in the dependency tree are patched, eliminating the attack vector across the entire application.

#security#command-injection#nodejs+4 more
A
anupamme
Aug 23, 2026
critical8 min

How Command Injection via Unescaped Line Terminators Happens in Node.js and How to Fix It

A critical vulnerability in shell-quote 1.8.3 allowed attackers to inject arbitrary shell commands by exploiting unescaped line terminators in quoted strings. The fix upgrades to version 1.9.0, which properly sanitizes line terminator characters to prevent command injection attacks. This vulnerability could have allowed remote code execution in any application using shell-quote to parse user-controlled shell commands.

#command-injection#shell-quote#cve-2026-9277+4 more
A
anupamme
Aug 20, 2026
high7 min

How Command Injection happens in Node.js shell-quote and how to fix it

A critical command injection vulnerability (CVE-2026-9277) was discovered in shell-quote 1.8.3, where unescaped line terminators could allow arbitrary code execution. The vulnerability was fixed by upgrading to shell-quote 1.9.0, which properly escapes line terminators in the react-devtools-core dependency chain, preventing attackers from breaking out of quoted strings to inject malicious commands.

#command-injection#shell-quote#nodejs+4 more
A
anupamme
Aug 19, 2026
critical8 min

How Command Injection happens in Node.js shell-quote and how to fix it

A critical command injection vulnerability (CVE-2026-9277) was discovered in shell-quote versions prior to 1.8.4, where unescaped line terminators allowed attackers to inject arbitrary shell commands through crafted input strings. The fix pins shell-quote to version 1.9.0 via a `package.json` overrides directive in the FabricExample project, ensuring all transitive dependencies resolve to the patched version. Left unaddressed, this vulnerability could have allowed arbitrary code execution on any

#command-injection#nodejs#shell-quote+4 more
A
anupamme
Aug 13, 2026
critical7 min

How Arbitrary Code Execution via Command Injection Happens in Node.js shell-quote and How to Fix It

A critical command injection vulnerability (CVE-2026-9277) was discovered in the popular Node.js `shell-quote` package (versions prior to 1.8.4) where unescaped line terminators allowed attackers to inject and execute arbitrary shell commands. The fix upgrades `shell-quote` from version 1.8.1 to 1.8.4, which properly escapes line terminator characters (such as `\n`, `\r`, `\u2028`, and `\u2029`) before passing strings to the shell. This dependency was present in the project's `package-lock.json`

#security#command-injection#javascript+4 more
A
anupamme
Aug 5, 2026