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CVE-2026-72587: Instatic 0 through 0.0.14
CVE-2026-72587. CVSS 3.1 base score 6.1 (MEDIUM, Source advisory). EPSS 0.00315 (percentile 0.23186), scored 22-Oct-2026.
Affected technology
Instatic · 0 through 0.0.14
CoreBunch
Description’s affected range: through 0.0.14
Component: Not specified by the source
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · User interaction required
What an attacker can do
An unauthenticated remote attacker can poison the shared process-wide render cache by manipulating the u query parameter of the GET /_instatic/hole/ server island endpoint. Source advisory’s CVSS 3.1 assessment (base score 6.1/10) rates confidentiality and integrity impact as low; availability impact as none.
- CWE
- CWE-444
- CCR priority
- 24.5 /100 (P4)
- CVSS 3.1
- 6.1 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N · Source advisory
- EPSS
- 0.00315 · percentile 0.23186 · 2026-10-22
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-72587.html