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

Quick assessment

Affected
n/a tamagui
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.

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。

CVSS 6.3 · Medium EPSS 0.46% · P37

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 5

VendorProduct Version RangeStatus
n/a tamagui 2.0 affected
2.1 affected
2.2 affected
2.3.0 affected
2.3.1 unaffected
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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: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1321
Source: CVE Program / CVE List V5
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

Vendor Product Affected Versions CPE Subscribe
- 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)

Same Patch Batch · n/a · 2026-07-14 · 15 CVEs total

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CVE-2025-56364 Connectivity Standards Alliance Matter 安全漏洞
CVE-2025-56365 Connectivity Standards Alliance Matter 安全漏洞
CVE-2025-56362 Connectivity Standards Alliance Matter 安全漏洞
CVE-2025-56363 Connectivity Standards Alliance Matter 安全漏洞
CVE-2026-36035 CAXperts UniversalPlantViewer WebServices Server 安全漏洞
CVE-2026-51807 Osamu Watanabe OpenHTJ2K 安全漏洞
CVE-2026-51808 Osamu Watanabe OpenHTJ2K 安全漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-15702

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