CVE-2026-108599
Phi 0.1.1 through 0.28.4 Symlink Workspace Write Restriction Bypass
CVSS Score
4.7
EPSS Score
0.0%
EPSS Percentile
0th
phi 0.1.1 through 0.28.4 contains an improper link resolution vulnerability that allows malicious repositories to bypass workspace_only_writes by exploiting lexical-only path checks in the permission gate. Attackers can commit symlinks pointing outside the workspace and use prompt injection to make the write tool write attacker-influenced content to external files without approval.
| CWE | CWE-59 |
| Vendor | pulseaiclub |
| Product | phi |
| Published | Oct 10, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Affected Versions
pulseaiclub / phi
0.1.1 ≤ 0.28.4
References
hackmd.io: https://hackmd.io/@haind/phi-symlink-permission-boundary github.com: https://github.com/pulseaiclub/phi/blob/5b3cb440a7c58115ef64283a737a43299f2805a4/internal/permission/gate.go#L106-L119 github.com: https://github.com/pulseaiclub/phi/blob/5b3cb440a7c58115ef64283a737a43299f2805a4/internal/tools/writetool/write.go#L64-L68 github.com: https://github.com/pulseaiclub/phi vulncheck.com: https://www.vulncheck.com/advisories/phi-0.1.1-through-0.28.4-symlink-workspace-write-restriction-bypass
Credits
HaiND from the Post and Telecommunication Institute of Technology