CVE-2026-63644 json
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
published 4mo ago modified 2d ago also EUVD-2026-120457 , GHSA-3qm5-22pm-wqg9
Unreviewed: the maintainers' own advisory
Published by the maintainers on their GitHub repository xddxdd/bird-lg-go. GitHub has not reviewed it into the GitHub Advisory Database, so the affected packages and versions are the maintainers' word. Read the full advisory on GitHub.
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 33%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Is CVE-2026-63644 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected products
- xddxdd bird-lg-go
Classification
References
Sources
- CVE List CVE-2026-63644
- Maintainer advisory GHSA-3qm5-22pm-wqg9
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
The maintainers of xddxdd/bird-lg-go published their own advisory on GitHub. Reviewed sources take precedence over it.