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Powerlevel10K CVE-2026-75483

| EUVDEUVD-2026-60395 MEDIUM
Improper Neutralization of Escape, Meta, or Control Sequences (CWE-150)
2026-08-17 VulnCheck GHSA-gcjm-c673-v7vj
4.8
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
4.8 MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from Vendor (VulnCheck) · only source for this CVE.

CVSS VectorVendor: VulnCheck

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
P
Scope
X

Lifecycle Timeline

2
Source Code Evidence Fetched
Aug 17, 2026 - 21:06 vuln.today
Analysis Generated
Aug 17, 2026 - 21:06 vuln.today

DescriptionCVE.org

powerlevel10k fails to neutralize control characters in the package.json version field when rendering the package prompt segment. Attackers can inject raw escape bytes in the version string to emit arbitrary terminal control sequences on each prompt render when the shell enters affected directories.

AnalysisAI

Terminal escape sequence injection in powerlevel10k (all versions through 1.20.17) allows any attacker who controls a package.json file on a victim's filesystem to emit arbitrary terminal control sequences on every shell prompt render when the victim navigates into the affected directory. The prompt_package segment in internal/p10k.zsh passed the P9K_PACKAGE_VERSION variable to the terminal without applying Zsh's (V) sanitization flag, meaning raw ANSI or OSC escape bytes in the version field reach the terminal emulator unfiltered. …

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CVE-2026-75483 vulnerability details – vuln.today

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