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No exploitation reportedAwaiting NVD analysis

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

No exploitation reported by the sources we read.

  • Published2026-11-09
  • WeaknessCWE-200 · CWE-88

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2026-11-0921:22CVE publishedCNA

Versions per branch

Products declared by the CNA

As GitHub_M, the CNA that assigned this CVE, declared them in the CVE record; versions as written. NVD lists no product for this CVE yet: this is the only product data so far.

  • xddxdd bird-lg-go
    Affected
    • = < 1.4.7no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-11-09

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-63644 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVE record2026-11-09
  • CNACVSS 3.17.52026-11-09
  • CNAweakness (CWE)CWE-200, CWE-882026-11-09

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2026-11-09

Frequently asked questions

What is CVE-2026-63644?

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.

Is CVE-2026-63644 actively exploited?

Active exploitation of CVE-2026-63644 has not been confirmed.

What is the CVSS score for CVE-2026-63644?

CVE-2026-63644 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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