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Vulnerability record · CVE-2026-60102 · published 8 July 2026

CVE-2026-60102: OS command injection vulnerability

Horde Virtual File System (VFS) API before 3.0.1 contains an OS command injection vulnerability in the Horde_Vfs_Smb driver where the _escapeShellCommand() method fails to sanitize command substitution sequences, allowing authenticated attackers to inject arbitrary shell commands through user-controlled filenames. Attackers can supply malicious filenames containing unescaped command substitution payloads through operations such as file upload, folder creation, rename, or deletion, which are interpolated into a double-quoted shell context and executed via proc_open() through /bin/sh -c before smbclient runs, resulting in arbitrary command execution on the underlying system.

7.7 CVSS 4.0 High EPSS 3.3% · top 12.1% CWE-78 · OS command injection Deferred
7.7CVSS 4.0 base score
3.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
14 Jul 2026Last modified by NVD

Description

Horde Virtual File System (VFS) API before 3.0.1 contains an OS command injection vulnerability in the Horde_Vfs_Smb driver where the _escapeShellCommand() method fails to sanitize command substitution sequences, allowing authenticated attackers to inject arbitrary shell commands through user-controlled filenames. Attackers can supply malicious filenames containing unescaped command substitution payloads through operations such as file upload, folder creation, rename, or deletion, which are interpolated into a double-quoted shell context and executed via proc_open() through /bin/sh -c before smbclient runs, resulting in arbitrary command execution on the underlying system.

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/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:

References

LinkTags
https://github.com/horde/Vfs/commit/41f74b4acfc144e09013d04dd121e0a5da808361
https://github.com/horde/Vfs/pull/10
https://github.com/horde/Vfs/releases/tag/v3.0.1
https://www.vulncheck.com/advisories/horde-vfs-os-command-injection-via-horde-vfs-smb-driver

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Source: NIST National Vulnerability Database (record CVE-2026-60102), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.