Debian FreedomBox up to 26.14 authorized_keys privileges management

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k3.54-

Summaryinfo

A vulnerability labeled as problematic has been found in Debian FreedomBox up to 26.14. This vulnerability affects unknown code of the file authorized_keys. Such manipulation leads to privileges management. This vulnerability is referenced as CVE-2026-123962. The attack can only be performed from a local environment. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Debian FreedomBox up to 26.14 and classified as problematic. Affected by this issue is an unknown part of the file authorized_keys. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at alioth-lists.debian.net. This vulnerability is handled as CVE-2026-123962 since 11/06/2026. The exploitation is known to be easy. Local access is required to approach this attack. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 11/07/2026). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 377114 (Linux Distros Unpatched Vulnerability : CVE-2026-123962), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 26.15 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (377114). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.4
CNA Vector (MITRE): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 377114
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-123962

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: FreedomBox 26.15

Timelineinfo

11/06/2026 Advisory disclosed
11/06/2026 +0 days CVE reserved
11/06/2026 +0 days VulDB entry created
11/07/2026 +1 days VulDB entry last update

Sourcesinfo

Vendor: debian.org

Advisory: alioth-lists.debian.net
Status: Confirmed

CNA: MITRE
CVE: CVE-2026-123962 (🔒)

GCVE (CVE): GCVE-0-2026-123962
GCVE (VulDB): GCVE-100-432050

Entryinfo

Created: 11/06/2026 18:35
Updated: 11/07/2026 09:54
Changes: 11/06/2026 18:35 (63), 11/07/2026 09:54 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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