Workspace Guard Bypass in Jan Agent-Tools by JanHQ
CVE-2026-122235

5.7MEDIUM

Key Information:

Vendor

Janhq

Status
Vendor
CVE Published:
4 November 2026

What is CVE-2026-122235?

The Jan agent-tools prior to version 0.8.8 contain a vulnerability that allows attackers to bypass the workspace guard, enabling the creation of unauthorized files outside the designated workspace. Utilizing dangling symlinks, attackers can exploit this flaw through malicious repository prompts, leading to severe information exposure. Notably, this vulnerability permits writing files like ~/.ssh/authorized_keys, posing a significant risk to host systems. Security patches and version updates are essential to mitigate this vulnerability.

Affected Version(s)

jan 0.8.5 < 0.8.8

References

CVSS V4

Score:
5.7
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Zachariah Mithani (AploSec)
.