CVE-2026-63187— Logto: OS command injection vulnerability exists in the Commitlint workflow
Possible ATT&CK Techniques 1AI
T1059 · Command and Scripting InterpreterGet alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-63187
Vulnerability Information
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Vulnerability Title
Logto: OS command injection vulnerability exists in the Commitlint workflow
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-63187
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|---|
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Patches & Fixes for CVE-2026-63187 (2)
Vendor Advisories for CVE-2026-63187 (1)
Vendor Pages for CVE-2026-63187 (1)
- 🔗 Release v1.41.0 · logto-io/logto · GitHubx_refsource_MISC
Same Patch Batch · logto-io · 2026-08-19 · 3 CVEs total
| CVE-2026-63188 | 8.7 HIGH | logto-tunnel serves files outside --experience-path via path traversal |
| CVE-2026-62317 | 7.5 HIGH | Logto: ReDoS via unescaped user input in email subaddressing regex (blockSubaddressing) |
IV. Related Vulnerabilities
Same product: logto
- CVE-2026-63188
logto-tunnel serves files outside --experience-path via path - CVE-2026-62317
Logto: ReDoS via unescaped user input in email subaddressing - CVE-2026-15611
Unverified email-based SSO account linking - CVE-2026-15612
LOIDC nonce validation bypass - CVE-2026-15614
IdP-initiated SAML sessions not reliably invalidated (replay
Same vendor: logto-io
- CVE-2026-63188
logto-tunnel serves files outside --experience-path via path - CVE-2026-62317
Logto: ReDoS via unescaped user input in email subaddressing - CVE-2026-55377
Logto: Account Center MFA management step-up bypass via WebA - CVE-2026-55370
Logto: TOTP code can be replayed within the RFC 6238 validit - CVE-2026-55789
Logto: SAML IdP injects user-controlled profile attributes r
Same weakness: CWE-94
- CVE-2026-76760
chenhg5 cc-connect webhook.go authenticate code injection - CVE-2026-76335
Remote Code Execution (RCE) through Splunk Web Manager Confi - CVE-2026-76315
Code Injection through Splunk Web Manager Configuration in S - CVE-2026-76314
Remote Code Execution (RCE) through Splunk Web Manager Confi - CVE-2026-18874
Volsync-addon-controller: volsync-addon-controller: annotati
V. Comments for CVE-2026-63187
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