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

CVE-2026-72587

Instatic - Cache Poisoning via Unauthenticated Server Island Endpoint PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
CoreBunch / Instatic	affected 0 through 0.0.14

CWE

CWE-444

References

https://github.com/CoreBunch/Instatic

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.