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CVE-2026-50288— @asymmetric-effort/specifyjs: URL parse failure silently allows request

Quick assessment

Affected
asymmetric-effort specifyjs
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.

SpecifyJS 是一个声明式的 TypeScript 用户界面框架。在版本 0.2.136 之前，当 抛出解析错误时， 函数会静默返回，而不抛出异常，从而绕过对 HTTPS 的安全验证， silently 允许请求继续执行。从版本 0.2.136 开始，捕获异常的代码块改为抛出错误，而非静默返回。

CVSS 8.7 · High EPSS 0.28% · P20

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
asymmetric-effort specifyjs < 0.2.136 affected
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I. Basic Information for CVE-2026-50288

Vulnerability Information
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Vulnerability Title
@asymmetric-effort/specifyjs: URL parse failure silently allows request
Source: CVE Program / CVE List V5
Vulnerability Description
SpecifyJS is a declarative TypeScript user interface framework. Prior to version 0.2.136, when `new URL()` throws a parse error, the `assertSecureUrl` function returned without throwing, silently allowing the request to proceed without HTTPS validation. Starting in version 0.2.136, the catch block now throws an error instead of silently returning.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
asymmetric-effort specifyjs < 0.2.136 -

II. Public POCs for CVE-2026-50288

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III. Intelligence Information for CVE-2026-50288

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Patches & Fixes for CVE-2026-50288 (1)

Vendor Advisories for CVE-2026-50288 (2)

IV. Related Vulnerabilities

Same product: specifyjs
Same vendor: asymmetric-effort
Same weakness: CWE-918

V. Comments for CVE-2026-50288

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