P5Verified

CVE-2025-66296: Grav vulnerable to Privilege Escalation in Grav Admin: Missing Username Uniqueness Check (exact versions not specified)

CVE-2025-66296. EPSS 0.00318 (percentile 0.22704), scored 2026-10-08. Fixed version: 3462d94d575064601689b236508c316242e15741.

Affected technology

Grav vulnerable to Privilege Escalation in Grav Admin: Missing Username Uniqueness Check · Exact affected versions not specified by the source
Vendor not specified by the source

Component: Not specified by the source

Attack conditions (OSV, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

The source reports that an attacker could gain higher privileges. OSV’s CVSS 3.1 assessment rates confidentiality, integrity and availability impact as high.

Published 2026-10-09 20:48:26.266343+00:00

CCR priority: 0.1 /100 (P5)
CVSS 3.1: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · OSV.dev
EPSS: 0.00318 · percentile 0.22741 · 2026-10-09
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-09 21:11:27.988868+00:00 UTC
OSV.dev · Source record · observed 2026-10-09 12:25:52.537420+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-66296.html