Answer in brief
CVE-2026-63644 records a High severity (CVSS 7.5) vulnerability in 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. The current sources do not mark it as known exploited. The current feed maps xddxdd/bird-lg-go (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps xddxdd/bird-lg-go (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| xddxdd/bird-lg-gogeneric | <1.4.7 | 1.4.7 |
Published upstream
Nov 9, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 9, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Nov 9, 2026
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.
Quoted source text, attributed separately from HOL analysis.