CVE-2026-54327

Pi: Race condition in auth.json writes could expose stored credentials

Published Jun 23, 2026 CVSS 3.1 · 2.2 Low EPSS < 1% KEV · Not listed
Description
Pi is a minimal terminal coding harness. From 0.74.0 until 0.78.1, Pi stored API keys and OAuth credentials in auth.json. A race condition in the file write path could briefly create or rewrite this file with permissions derived from the process umask before tightening the file to owner-only permissions. This vulnerability is fixed in 0.78.1.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-r95r-rj6r-c39x Pi Agent: Race condition in Pi auth.json writes could expose stored credentials
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Earendil-works
Earendil-works pi
Vendors & Products Earendil-works
Earendil-works pi
Type Values Removed Values Added
Description Pi is a minimal terminal coding harness. From 0.74.0 until 0.78.1, Pi stored API keys and OAuth credentials in auth.json. A race condition in the file write path could briefly create or rewrite this file with permissions derived from the process umask before tightening the file to owner-only permissions. This vulnerability is fixed in 0.78.1.
Title Pi: Race condition in auth.json writes could expose stored credentials
Weaknesses CWE-367
CWE-732
References
Metrics cvssV3_1

{'score': 2.2, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jun 26, 2026, 6:09 PM
Reserved
Jun 12, 2026, 6:42 PM
Status
Deferred
Published
Jun 23, 2026, 8:16 PM
Modified
Oct 25, 2026, 11:10 PM