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CVE-2026-75483— powerlevel10k Control Character Injection via package.json Version

Quick assessment

Affected
romkatv powerlevel10k
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Roman Perepelitsa Powerlevel10k是Roman Perepelitsa个人开发者的一款命令行提示符主题。 Roman Perepelitsa Powerlevel10k 1.20.0及之前版本存在输入验证错误漏洞，该漏洞源于在渲染package prompt segment时未中和package.json版本字段中的控制字符，可能导致攻击者注入原始转义字节，在shell进入受影响目录时每次提示渲染发出任意终端控制序列。

CVSS 3.3 · Low EPSS 0.12% · P2

Affected Version Matrix 1

VendorProduct Version RangeStatus
romkatv powerlevel10k ≤ 1.20.0 affected
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I. Basic Information for CVE-2026-75483

Vulnerability Information
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Vulnerability Title
powerlevel10k Control Character Injection via package.json Version
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
转义、元或控制序列转义处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Roman Perepelitsa Powerlevel10k 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Roman Perepelitsa Powerlevel10k是Roman Perepelitsa个人开发者的一款命令行提示符主题。 Roman Perepelitsa Powerlevel10k 1.20.0及之前版本存在输入验证错误漏洞，该漏洞源于在渲染package prompt segment时未中和package.json版本字段中的控制字符，可能导致攻击者注入原始转义字节，在shell进入受影响目录时每次提示渲染发出任意终端控制序列。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
romkatv powerlevel10k 0 ~ 1.20.0 -

II. Public POCs for CVE-2026-75483

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III. Intelligence Information for CVE-2026-75483

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Patches & Fixes for CVE-2026-75483 (2)

Vendor Advisories for CVE-2026-75483 (1)

IV. Related Vulnerabilities

Same weakness: CWE-150

V. Comments for CVE-2026-75483

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