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Vulnerabilities CVE-2026-63187

CVE-2026-63187

Medium
Open
TLP:CLEAR

Logto: OS command injection vulnerability exists in the Commitlint workflow

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Description

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. From 1.40.1 until 1.41.0, Logto's .github/workflows/commitlint.yml directly interpolated github.event.pull_request.title into the Commitlint on PR title step's inline echo command before piping the title to npx commitlint. A pull request title containing a single quote could terminate the echo string and append arbitrary shell commands on the GitHub Actions runner. The pull_request trigger used a read-only GITHUB_TOKEN and did not expose repository secrets, but injected commands could alter or disrupt the ephemeral workflow execution. This issue is fixed in version 1.41.0.

Details

CVSS Score
6.3
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Confidence
90%
Published
Aug 19, 2026
Last Modified
Aug 19, 2026
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