CVE-2026-53611

Looking Glass: Remote Code Execution via Unanchored Regular Expression in BGPASPath Input Validation

Published Sep 2, 2026 CVSS 3.1 · 9.8 Critical EPSS 2.0% KEV · Not listed
Description
Looking Glass is a modern, stateless network-diagnostic platform — a single self-contained Go binary that fronts a fleet of routers over SSH and exposes ping / traceroute / BGP lookups through a gRPC (ConnectRPC) API, an embedded SvelteKit web UI, and a lg-cli client. Prior to version 1.3.5, there is an OS Command Injection vulnerability resulting from an unanchored regular expression in the input validation layer. This issue has been patched in version 1.3.5.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared As203038
As203038 looking-glass
Vendors & Products As203038
As203038 looking-glass
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Looking Glass is a modern, stateless network-diagnostic platform — a single self-contained Go binary that fronts a fleet of routers over SSH and exposes ping / traceroute / BGP lookups through a gRPC (ConnectRPC) API, an embedded SvelteKit web UI, and a lg-cli client. Prior to version 1.3.5, there is an OS Command Injection vulnerability resulting from an unanchored regular expression in the input validation layer. This issue has been patched in version 1.3.5.
Title Looking Glass: Remote Code Execution via Unanchored Regular Expression in BGPASPath Input Validation
Weaknesses CWE-78
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Sep 2, 2026, 5:17 PM
Reserved
Jun 9, 2026, 7:39 PM
Status
Deferred
Published
Sep 2, 2026, 4:17 PM
Modified
Sep 9, 2026, 9:09 PM