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Vulnerabilities CVE-2026-62673

CVE-2026-62673

High
Open
TLP:CLEAR

Grav: .htaccess file extension rules bypass via case variation on case-insensitive filesystems

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Description

Grav is a file-based Web platform. Prior to 2.0.4, the Grav .htaccess and webserver-configs/htaccess.txt security rules omit the Apache [NC] flag and therefore compare sensitive directory and file-extension patterns case-sensitively. On a case-insensitive filesystem, an unauthenticated requester can use uppercase directory or extension variants to bypass the rules and retrieve files under user/accounts or user/config, including password hashes and security configuration. This issue is fixed in version 2.0.4.

Details

CVSS Score
8.2
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Confidence
90%
Published
Aug 19, 2026
Last Modified
Aug 19, 2026
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