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CVE-2026-122235 Details

Description

Jan from 0.8.5 before 0.8.8 contains a workspace guard bypass vulnerability in the agent-tools gate.rs that allows attackers to write files outside the workspace via dangling symlinks. Attackers supplying a malicious repository can use prompt injection to make the write or edit tools follow symlinks, creating files like ~/.ssh/authorized_keys on the host.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:4.7 MEDIUMVector:CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/janhq/jan/commit/840c33e65182ba9975d32f710c5d111e25444b65	[email protected]
https://github.com/janhq/jan/pull/9424	[email protected]
https://github.com/janhq/jan/releases/tag/v0.8.8	[email protected]
https://github.com/janhq/jan/security/advisories/GHSA-7j4g-mj5j-p842	[email protected]
https://www.vulncheck.com/advisories/jan-0.8.5-before-0.8.8-workspace-guard-bypass-via-dangling-symlink	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-59	Improper Link Resolution Before File Access ('Link Following')	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

1 change record found show changes