DEBIAN-CVE-2026-39822

Advisory lineage Upstream: 1 Downstream: 0
Upstream
Published: 08 Jul 2026, 17:17
Last modified:12 Jul 2026, 04:00

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

08 Jul 2026, 17:17
Published
Vulnerability first disclosed
12 Jul 2026, 04:00
Last Modified
Vulnerability information updated

Description

On Unix systems, opening a file in an os.Root improperly follows symlinks to locations outside of the Root when the final path component of the a path is a symbolic link and the path ends in /. For example, 'root.Open("symlink/")' will open "symlink" even when "symlink" is a symbolic link pointing outside of the root.

CVSS Metrics

  • v3.1HIGHScore: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • debiangolang-1.15

    all

  • debiangolang-1.19

    all

  • debiangolang-1.24

    all

  • debiangolang-1.25

    < 1.25.12-1

  • debiangolang-1.26

    < 1.26.5-1

  • debiangolang-1.27

    < 1.27~rc2-1

References (1)