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/<nodeId> server island endpoint.
Published:Aug 10, 2026
Last Modified:Aug 11, 2026
EPS:Aug 10, 2026
EPSS Score:0.00185
CVSS Score:6.1
Affected Products
Vendor
Product
Action
Vendor
Corebunch
Product
Instatic
Corebunch
Instatic
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
References
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
