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TI-2026-86044 Aliases CVE-2026-123962GHSA-6wcf-xp9g-wcfj

Symlink following in FreedomBox lets users access files without permission

Priority LOW 38CWE-61Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

FreedomBox before 26.15 is affected. A symlink-following flaw (CWE-61) lets unprivileged user accounts read and write files they lack permissions for by setting the authorized_keys file to be a symlink. A local user with an unprivileged account can reach files outside their permissions this way.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

In FreedomBox before 26.15, unprivileged user accounts can read/write files for which they lack permissions by setting the authorized_keys file to be a symlink. NOTE: FreedomBox is a Debian Pure Blend, which means that it distributes its software through Debian repositories.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00194 9th percentileScored 2026-11-07
Fix Fixed FreedomBox (Debian): 26.15

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
DebianFreedomBoxbefore 26.1526.15Patch availableCNA
  • FreedomBox VendorDebian Affected before 26.15 Fixed in 26.15 Patch available CNA

Remediation

Update FreedomBox to version 26.15. FreedomBox is distributed through Debian repositories, so apply the Debian package update that carries version 26.15.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

  • Fix · CNA FreedomBox (Debian) Fixed in 26.15

Timeline

  1. 2026-11-06 Threatist record created from CVE-2026-123962
  2. 2026-11-06 Alias added: GHSA-6wcf-xp9g-wcfj
  3. 2026-11-06 CISA SSVC decision points changed
  4. 2026-11-06 Priority changed: MEDIUM → LOW

References

Other 3

  • TI-2026-19388 telnetd in GNU Inetutils through 2.7 allows remote authentication bypass via a "-f root"… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-31204 Deserialization of untrusted data in Roundcube Webmail KEVCVSS 3.1CRITICAL 9.9
  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-23504 Erlang/OTP SSH Vulnerable to Pre-Authentication RCE KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-18529 Apache Tomcat: Potential RCE and/or information disclosure and/or information corruption with partial PUT KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
See all 10170 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences