CVE-2026-72587

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CVSS 3.1

6.1 medium

EPSS

<1%p8

Published

Aug 10, 2026 (Aug 10, 2026)

Modified

Aug 28, 2026

Description

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.

Weakness: CWE-444
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.2%)

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