CVE-2026-40779

High

Published: 15 June 2026

Published

15 June 2026

Modified

15 June 2026

KEV Added

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Patch

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CVSS Score v3.1 7.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

EPSS Score 0.0033 24.3th percentile

Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-40779 is a high-severity Path Traversal (CWE-22) vulnerability. Its CVSS base score is 7.7 (High).

Operationally, ranked at the 24.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

Contributor Arbitrary File Deletion in Link Library <= 7.8.8 versions.

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-22

Validates pathnames and filenames to prevent traversal outside intended directories.