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CVE-2026-123962

Quick assessment

Affected
Debian FreedomBox
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 26.15 版本之前的 FreedomBox 中，非特权用户账户可以通过将 authorized_keys 文件设置为符号链接，来读取或写入其本无权访问的文件。注意：FreedomBox 是 Debian Pure Blend（Debian 纯混合发行版），这意味着它通过 Debian 软件仓库分发其软件。

CVSS 8.4 · High EPSS 0.19% · P9

Possible ATT&CK Techniques 1 AI

T1552.001 · Credentials In Files

Affected Version Matrix 1

VendorProduct Version RangeStatus
Debian FreedomBox < 26.15 affected
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I. Basic Information for CVE-2026-123962

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-61
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Debian FreedomBox 0 ~ 26.15 -

II. Public POCs for CVE-2026-123962

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III. Intelligence Information for CVE-2026-123962

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Mailing List Discussions for CVE-2026-123962 (1)

Vendor Pages for CVE-2026-123962 (1)

Other References for CVE-2026-123962 (1)

IV. Related Vulnerabilities

Same product: FreedomBox
Same vendor: Debian
Same weakness: CWE-61