# CVE-2026-63644: bird-lg-go: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') and Exposure of Sensitive Information to an Unauthorized Actor in github.com/xddxdd/bird-lg-go

Status: published. Published: 2026-11-09. Updated: 2026-11-09.

bird-lg-go is a BIRD looking glass in Go. Prior to version 1.4.7, unsanitized input path enables arbitrary local file read, allowing an unauthenticated remote attacker to read sensitive files such as /etc/shadow and /root/.bash_history. This issue has been patched in version 1.4.7.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- xddxdd / bird-lg-go: < 1.4.7 (affected). Source: CNA: GitHub_M

## Severity and prioritization

- CVSS 3.1: 7.5 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N; source: CNA: GitHub_M

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-88, CWE-200

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://github.com/xddxdd/bird-lg-go/security/advisories/GHSA-3qm5-22pm-wqg9 (CNA: GitHub_M; x_refsource_CONFIRM)

- https://github.com/xddxdd/bird-lg-go/commit/74762e4be0d5f19edd710ebfae5b8e8c5bb30e32 (CNA: GitHub_M; x_refsource_MISC)

- https://github.com/xddxdd/bird-lg-go/releases/tag/v1.4.7 (CNA: GitHub_M; x_refsource_MISC)

## Provenance

- CNA: GitHub_M: https://www.cve.org/CVERecord?id=CVE-2026-63644; retrieved 2026-11-09; source updated 2026-11-09

Revision: 00240f4908f9878fdddf224f890bc53527df31a2ae093bb5dca0cec0464d6e0d

Canonical: https://y2.dev/cve/CVE-2026-63644

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