Answer in brief
CVE-2026-72587 records a Unknown severity vulnerability in Instatic - Cache Poisoning via Unauthenticated Server Island Endpoint. The current sources do not mark it as known exploited. The current feed maps CoreBunch/Instatic (generic), CoreBunch/Instatic (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps CoreBunch/Instatic (generic), CoreBunch/Instatic (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| CoreBunch/Instaticgeneric | >=0 <0.0.14 | 0.0.14 |
| CoreBunch/Instaticgeneric | 0 | Not reported |
Published upstream
Aug 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 10, 2026
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.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-72587 records a Unknown severity vulnerability in Instatic - Cache Poisoning via Unauthenticated Server Island Endpoint. The current sources do not mark it as known exploited. The current feed maps CoreBunch/Instatic (generic), CoreBunch/Instatic (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps CoreBunch/Instatic (generic), CoreBunch/Instatic (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| CoreBunch/Instaticgeneric | >=0 <0.0.14 | 0.0.14 |
| CoreBunch/Instaticgeneric | 0 | Not reported |
Published upstream
Aug 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 10, 2026
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.
Quoted source text, attributed separately from HOL analysis.