CVE-2026-54706

OnionShare follows symlinks in shared directories, allowing unintended disclosure of local files

Published: Jul 31, 2026Updated: Sep 10, 2026 Sources: CVE List NVDCWE-59

4.8MEDIUM

Description

OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. Prior to 2.6.4, OnionShare CLI/Desktop follows symbolic links in cli/onionshare_cli/web/send_base_mode.py through SendBaseModeWeb.set_file_info() and stream_individual_file(), allowing remote recipients of Share or Website mode to read local files outside the selected directory. This issue is fixed in version 2.6.4.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:HAttack Complexity

High

PR:LPrivileges Required

Low

UI:RUser Interaction

Required

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:NIntegrity

None

A:NAvailability

None

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Weaknesses

CWE-59

Affected Products

onionshare

oss-projectaka onionshare tool

onionshareMixed

Consumer Software / file-utility

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Collection

Discovery

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References

https://github.com/onionshare/onionshare/security/advisories/GHSA-22p9-r2f5-22mf

github.com

https://github.com/onionshare/onionshare/commit/48f31cfac077fcc9c04c67c2a6dbf87d956f5eec

github.com

https://github.com/onionshare/onionshare/releases/tag/v2.6.4

github.com

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