CVE-2026-54327 | Pi is a minimal terminal coding harness. From 0.74.0 until 0… | CVSS 2.2 LOW

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.

Metadata

CVE ID: CVE-2026-54327
State: PUBLISHED
Assigner: GitHub_M
Reserved: 2026-06-12 18:42 UTC
Published: 2026-06-23 19:28 UTC
Last updated: 2026-06-23 19:28 UTC
Primary CWE: CWE-367
CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
Vendor / Product: earendil-works / pi
Sources: cve.org · NVD

Severity & Metrics

2.2 LOW CVSS 3.1

CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N

Affected products (1)

Vendor	Product	Platform	Versions
earendil-works	pi	—	>= 0.74.0, < 0.78.1

Weakness (CWE)

CWE	Source	Description
CWE-367	cna	CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
CWE-732	cna	CWE-732: Incorrect Permission Assignment for Critical Resource

CVSS scores (1)

Score	Severity	Version	Source	Vector
2.2	LOW	3.1	cna	CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N

References (3)

https://github.com/earendil-works/pi/security/advisories/GHSA-r95r-rj6r-c39x https://github.com/earendil-works/pi/security/advisories/GHSA-r95r-rj6r-c39x
https://github.com/earendil-works/pi/commit/135fb545f99106a4a249274f129b90bc0a77d347 https://github.com/earendil-works/pi/commit/135fb545f99106a4a249274f129b90bc0a77d347
https://github.com/earendil-works/pi/releases/tag/v0.78.1 https://github.com/earendil-works/pi/releases/tag/v0.78.1