Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-20660

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
11/02/2026
Last modified:
02/04/2026

Description

A path handling issue was addressed with improved logic. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.5, macOS Sonoma 14.8.4, macOS Tahoe 26.3, visionOS 26.3. A remote user may be able to write arbitrary files.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): High
Availability (A): None

Base Score 3.x
7.50
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* 26.3 (excluding)
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* 18.7.5 (excluding)
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* 26.0 (including) 26.3 (excluding)
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* 18.7.5 (excluding)
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* 26.0 (including) 26.3 (excluding)
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* 14.8.4 (excluding)
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* 26.0 (including) 26.3 (excluding)
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* 26.3 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools