EUVD-2026-77871
GHSA-vrhh-grr2-x4mg
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Local-only, needs a low-privileged app already running (AV:L/PR:L), no user interaction, and path traversal discloses sensitive data with no integrity or availability impact (C:H/I:N/A:N).
Primary rating from NVD.
CVSS VectorNVD
Lifecycle Timeline
6DescriptionNVD
A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to access sensitive user data.
AnalysisAI
Local directory-path traversal in Apple macOS allows an app already running on the host to reach and read sensitive user data outside the directory it is permitted to access. The root cause is insufficient validation of directory paths (CWE-22), and Apple has remediated it in macOS Sequoia 15.8, macOS Tahoe 26.7, and macOS Golden Gate 27. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires the attacker to already have a running application on the target macOS host (PR:L, AV:L) - there is no remote or network path. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine but low-to-moderate priority issue rather than an urgent one. … 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 | Vendor-released patch: update to macOS Sequoia 15.8, macOS Tahoe 26.7, or macOS Golden Gate 27 - the releases in which Apple addressed this issue with improved path validation; refer to Apple advisories https://support.apple.com/en-us/149035, https://support.apple.com/en-us/149042, and https://support.apple.com/en-us/149043 for per-platform detail and install the appropriate update for each macOS line. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-22 – Path Traversal
View allSame technique Path Traversal
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External POC / Exploit Code
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