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Grav CMS CVE-2026-72695

| EUVDEUVD-2026-65209 HIGH
Path Traversal (CWE-22)
2026-08-25 VulnCheck GHSA-896w-cw95-xq7w
7.1
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
7.1 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
8.1 HIGH

Network vector and low complexity confirmed; PR:L for required media-manager credentials; file deletion drives I:H and A:H with no confidentiality impact.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

3
Patch available
Aug 25, 2026 - 03:16 EUVD
Analysis Generated
Aug 25, 2026 - 02:21 vuln.today
CVE Published
Aug 25, 2026 - 01:30 cve.org
HIGH 7.1

DescriptionCVE.org

Grav before 2.0.16 contains a path traversal vulnerability in MediaUploadTrait::deleteFile() that allows authenticated users with media management permissions to delete arbitrary files by supplying filenames with directory traversal sequences. The method validates only the basename portion of the filename while preserving unvalidated directory paths containing ../ sequences that are passed to unlink(), enabling deletion of files outside the intended media storage directory.

AnalysisAI

Arbitrary file deletion in Grav CMS before 2.0.16 allows authenticated users holding media management permissions to delete files anywhere on the server filesystem via path traversal sequences in filenames passed to MediaUploadTrait::deleteFile(). The root cause is that deleteFile() validates only the basename of a supplied filename while passing the full, unvalidated path - including ../ sequences - directly to PHP's unlink(). …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Delivery
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires an authenticated Grav CMS session for a user account that holds media management permissions (the ability to upload or delete media files). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The provided CVSS 4.0 vector (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N) contains a significant inconsistency: it records high Confidentiality impact but zero Integrity or Availability impact, which directly contradicts the described behavior of arbitrary file deletion via unlink(). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade Grav CMS to version 2.0.16 or later, which is the vendor-released patch addressing this vulnerability per GHSA-jq29-c7v8-rg55 (https://github.com/getgrav/grav/security/advisories/GHSA-jq29-c7v8-rg55). … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: identify all Grav CMS deployments and confirm version numbers; audit user and service accounts holding media upload/delete permissions. …

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CVE-2026-72695 vulnerability details – vuln.today

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