CVE-2026-48161— react18-use was vulnerable to malicious code execution via compromised commits

react18-use was vulnerable to malicious code execution via compromised commits

react18-use is a React 19 use hook shim. Between 2026-05-19 01:07:01 and 2026-05-19 15:20:43, the default branch contained malicious commits 7b79148d1495a2505f9277da295a98cf176f4496 through 7b79148d1495a2505f9277da295a98cf176f4496 that executed remote attacker-controlled code on developer machines during `npm install`. The commits were removed by force-push, but local clones, forks, and direct-SHA URLs may still contain them, and `npm install` against an affected checkout will still execute the code today. The package was not published to npm. `src/install.js` was added and wired into the `postinstall` script. It fetched a JavaScript payload from an attacker-controlled HTTPS endpoint (configurable via an environment variable), disabled TLS verification, and evaluated the response as code with `require` available. Execution was deliberately skipped on CI and cloud/serverless environments, targeting developer workstations. The second-stage payload was attacker-hosted and cannot be reconstructed. Assume full compromise of anything reachable from a Node process with the user's permissions. Those who ran `npm install` against an affected checkout on a developer machine on or after 2026-05-19 01:07:01 should treat the machine as compromised, rotate every credential the machine could reach, audit account activity since 2026-05-19 01:07:01, and clean local clones.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

内嵌的恶意代码

Daishi Kato react18-use 处理逻辑错误漏洞

Daishi Kato react18-use是Daishi Kato个人开发者的一个提供React常用Hooks的集合库。 Daishi Kato react18-use存在处理逻辑错误漏洞，该漏洞源于npm install过程中，src/install.js脚本从攻击者控制的HTTPS端点获取并执行恶意代码，可能导致远程攻击者完全控制开发者机器。

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