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CVE-2026-53454

Blueprint Studio stored Git credentials in plaintext Git credential store

MEDIUM
6.9
CVSS Score
Published: August 18, 2026 at 08:48 PM UTC
Updated: October 22, 2026 at 10:10 PM UTC
1 product affected across 1 vendorBlueprint Studio

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Severity
MEDIUM6.9
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

Blueprint Studio is a VS Code-like file editor for Home Assistant configuration files. Prior to 2.5.2, Blueprint Studio configured Git's credential.helper store when saving Git credentials, causing Git credential-store to persist usernames and access tokens in plaintext in the .git-credentials file for the user running Home Assistant. Tokens could remain outside Blueprint Studio's intended Home Assistant storage and be read by other users or processes with access to the same filesystem context. The persistent helper configuration also affected later Git operations beyond the immediate Blueprint Studio action. This issue is fixed in version 2.5.2.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Blueprint Studio· Ha China
90%
v < 2.5.2
Affected range stops below 2.5.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

x_refsource_CONFIRM
Source: cverecord
https://github.com/ha-china/blueprint-studio/security/advisories/GHSA-pgxq-h2pc-gqq8
x_refsource_MISC
Source: cverecord
https://github.com/ha-china/blueprint-studio/commit/943aed0be67f3a910b0f70a3864288d5e17e55ce
x_refsource_MISC
Source: cverecord
https://github.com/ha-china/blueprint-studio/releases/tag/v2.5.2

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.9MEDIUMGitHub_M
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-522

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