CVE-2026-50290

SpecifyJS is a declarative TypeScript user interface framework. Prior to version 0.2.136, CSS value sanitization stripped expression and urljavascript: using simple regex, but could be bypassed with CSS unicode escapes \65xpression, null bytes, or CSS comments exp//ression. These CSS injection...

CVE-2026-50290 @asymmetric-effort/specifyjs: CSS expression sanitization is bypassable in renderToString

SpecifyJS is a declarative TypeScript user interface framework. Prior to version 0.2.136, CSS value sanitization stripped expression and urljavascript: using simple regex, but could be bypassed with CSS unicode escapes \65xpression, null bytes, or CSS comments exp//ression. These CSS injection...

CVE-2026-50290

SpecifyJS (@asymmetric-effort/specifyjs), a declarative TypeScript UI framework, had a CSS sanitization bypass in its renderToString function (core/src/server/render-to-string.ts:307-311). Prior to v0.2.136 , the regex-based filter for expression( and url(javascript: could be circumvented using C...

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

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...

CVE-2026-50288

CVE-2026-50288 affects @asymmetric-effort/specifyjs , a declarative TypeScript UI framework, prior to version 0.2.136 . The vulnerability resides in the assertSecureUrl function (core/src/shared/secure-fetch.ts:42-45). When new URL() throws a parse error, the catch block silently returned instead...

Server-side Request Forgery (SSRF)

Overview @asymmetric-effort/specifyjs is an A declarative TypeScript UI framework built for performance and simplicity Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the assertSecureUrl function. An attacker can bypass HTTPS validation by supplying a...