CVE Catalog
CVE-2026-72587
MediumCVSS 6.1Summary
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/<nodeId> endpoint.
Risk Assessment
An attacker can replace rendered content, potentially leading to malicious content being displayed to users or data theft.
Recommendation
Update CoreBunch/Instatic to a version newer than 0.0.14 that includes a fix for this vulnerability.
Original NVD description (English source)
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/<nodeId> server island endpoint.