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CVE-2026-15702— tamagui config.ts updateConfig prototype pollution

CVSS 6.3 · Medium EPSS 0.34% · P26

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 5

VendorProductVersion RangeStatus
n/atamagui2.0affected
2.1affected
2.2affected
2.3.0affected
2.3.1unaffected
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I. Basic Information for CVE-2026-15702

Vulnerability Information
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Vulnerability Title
tamagui config.ts updateConfig prototype pollution
Source: NVD (National Vulnerability Database)
Vulnerability Description
A security vulnerability has been detected in tamagui up to 2.3.0. This affects the function updateConfig of the file code/core/web/src/config.ts. Such manipulation leads to improperly controlled modification of object prototype attributes. The attack may be performed from remote. Upgrading to version 2.3.1 is able to mitigate this issue. The name of the patch is e46af9879b7627934ea4d6d6e46e65cea53abb3d. The affected component should be upgraded.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1321
Source: NVD (National Vulnerability Database)
Vulnerability Title
tamagui 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tamagui tamagui是Tamagui团队的一个跨平台开发框架。 tamagui 2.3.0及之前版本存在安全漏洞，该漏洞源于文件code/core/web/src/config.ts中函数updateConfig的对象原型属性修改控制不当，可能导致远程攻击。以下版本受到影响：2.0版本、2.1版本、2.2版本和2.3.0版本。
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

VendorProductAffected VersionsCPESubscribe
-tamagui 2.0 cpe:2.3:a:tamagui:tamagui:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-15702

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III. Intelligence Information for CVE-2026-15702

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Patches & Fixes for CVE-2026-15702 (1)

Proof of Concept for CVE-2026-15702 (1)

Vendor Pages for CVE-2026-15702 (1)

Other References for CVE-2026-15702 (1)

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IV. Related Vulnerabilities

Same vendor: n/a
Same weakness: CWE-1321

V. Comments for CVE-2026-15702

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