Instatic-Stored-XSS-CVE-2026-103931

URL scheme filter bypass in isSafeUrl via leading C0 control characters Affected: Instatic v0.0.13 / commit 63ad5d6 and all earlier revisions containing src/core/html-sanitize/index.ts Component: src/core/html-sanitize/index.ts → isSafeUrl / safeUrl Class: CWE-79 Stored XSS via CWE-184 Incomplete...

Exploit for CVE-2026-103931

Instatic-Sto...

CVE-2026-72587

A cache poisoning vulnerability in CoreBunch/Instatic through 0.0.14 allows an unauthenticated remote attacker to poison the shared process-wide render cache by manipulating the u query parameter of the GET /instatic/hole/ server island endpoint...

CVE-2026-72587 Instatic - Cache Poisoning via Unauthenticated Server Island Endpoint

A cache poisoning vulnerability in CoreBunch/Instatic through 0.0.14 allows an unauthenticated remote attacker to poison the shared process-wide render cache by manipulating the u query parameter of the GET /instatic/hole/ server island endpoint...

CVE-2026-72587

A cache poisoning vulnerability in CoreBunch/Instatic through 0.0.14 allows an unauthenticated remote attacker to poison the shared process-wide render cache by manipulating the u query parameter of the GET /instatic/hole/ server island endpoint...

CVE-2026-72587

CVE-2026-72587 affects CoreBunch/Instatic up to version 0.0.14. The vulnerability exists in the server island endpoint GET /_instatic/hole/, where unauthenticated remote attackers can poison the shared render cache by modifying the u query parameter. The originating-page URL supplied in u seeds t...

CVE-2026-72587 Instatic - Cache Poisoning via Unauthenticated Server Island Endpoint

A cache poisoning vulnerability in CoreBunch/Instatic through 0.0.14 allows an unauthenticated remote attacker to poison the shared process-wide render cache by manipulating the u query parameter of the GET /instatic/hole/ server island endpoint...

PT-2026-69471

Name of the Vulnerable Software and Affected Versions CoreBunch/Instatic versions 0.0.1 through 0.0.14 Description An unauthenticated remote attacker can poison the shared process-wide render cache. By manipulating the u query parameter of the GET '/ instatic/hole/' server island endpoint, an...

CVE-2026-72587: Inconsistent Interpretation of HTTP Requests

A cache poisoning vulnerability in CoreBunch/Instatic through 0.0.14 allows an unauthenticated remote attacker to poison the shared process-wide render cache by manipulating the u query parameter of the GET /instatic/hole/ server island endpoint...