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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.

PUBLISHED Reserved 2026-07-14 | Published 2026-07-14 | Updated 2026-07-14 | Assigner VulDB




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C

Problem types

Improperly Controlled Modification of Object Prototype Attributes

Code Injection

Timeline

2026-07-14:Advisory disclosed
2026-07-14:VulDB entry created
2026-07-14:VulDB entry last update

Credits

wjm1 (VulDB User) reporter

References

vuldb.com/vuln/378249 (VDB-378249 | tamagui config.ts updateConfig prototype pollution) vdb-entry technical-description

vuldb.com/vuln/378249/cti (VDB-378249 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-15702 (CVE-2026-15702 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/856138 (Submit #856138 | Node.js @tamagui/web 2.2.0 Prototype Pollution) third-party-advisory

github.com/tamagui/tamagui/issues/4029 issue-tracking

github.com/...ommit/e46af9879b7627934ea4d6d6e46e65cea53abb3d patch

github.com/tamagui/tamagui/releases/tag/v2.3.1 patch

github.com/tamagui/tamagui/ product

cve.org (CVE-2026-15702)

nvd.nist.gov (CVE-2026-15702)

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