UNIX Hard Link

The product, when opening a file or directory, does not sufficiently account for when the name is associated with a hard link to a target that is outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files.

CVEs (3)

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2026-32232 1Aisarlabs 1Zeptoclaw Jun 17, 2026 Mar 12, 2026 8.8 HIGH· v4 9.8 CRITICAL· v3 N/A· v2 ZeptoClaw is a personal AI assistant. Prior to 0.7.6, there is a Dangling Symlink Component Bypass, TOCTOU Between Validation and Use, and Hardlink Alias Bypass. This vulnerability is fixed in 0.7.6.
CVE-2024-54189 1Parallels 1Parallels Desktop Jun 17, 2026 Jun 3, 2025 N/A· v4 7.8 HIGH· v3 N/A· v2 A privilege escalation vulnerability exists in the Snapshot functionality of Parallels Desktop for Mac version 20.1.1 (build 55740). When a snapshot of a virtual machine is taken, a root service writes to a file owned by...Show more A privilege escalation vulnerability exists in the Snapshot functionality of Parallels Desktop for Mac version 20.1.1 (build 55740). When a snapshot of a virtual machine is taken, a root service writes to a file owned by a normal user. By using a hard link, an attacker can write to an arbitrary file, potentially leading to privilege escalation.Show less
CVE-2024-36486 1Parallels 1Parallels Desktop Jun 17, 2026 Jun 3, 2025 N/A· v4 7.8 HIGH· v3 N/A· v2 A privilege escalation vulnerability exists in the virtual machine archive restoration functionality of Parallels Desktop for Mac version 20.1.1 (55740). When an archived virtual machine is restored, the prl_vmarchiver t...Show more A privilege escalation vulnerability exists in the virtual machine archive restoration functionality of Parallels Desktop for Mac version 20.1.1 (55740). When an archived virtual machine is restored, the prl_vmarchiver tool decompresses the file and writes the content back to its original location using root privileges. An attacker can exploit this process by using a hard link to write to an arbitrary file, potentially resulting in privilege escalation.Show less