CVE-2026-109247: freerdp freerdp

CVSS 3.1 (low) · published 2026-10-12

FreeRDP before 3.32.0 contains a path traversal vulnerability in convert_filedescriptors_to_file_list() in winpr/libwinpr/clipboard/synthetic_file.c, which concatenates server-supplied cFileName values from FileGroupDescriptorW clipboard data into the published local file:// URI without rejecting '/' or '..' sequences. A malicious RDP server can supply '../' sequences so the user's next clipboard paste copies an arbitrary local file readable by the client user instead of the expected remote file.

Affected products (NVD): freerdp freerdp

Fixed in (NVD): 3.32.0

Weakness: CWE-22

Source: NVD CVE-2026-109247

References

• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-c3rh-2hv6-7hf2
• https://www.vulncheck.com/advisories/freerdp-before-3.32.0-path-traversal-via-clipboard-cfilename
• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-c3rh-2hv6-7hf2

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