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CVE-2026-77055— Improper Privilege Assignment in boneIO

Quick assessment

Affected
boneIO black_debian_images
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.

boneIO 的 black_debian_images 镜像赋予了 boneio 服务账户过高的权限，包括无需密码的完整 sudo 访问权限以及加入 docker 用户组。若本地攻击者成功 compromises（攻陷）boneio 用户，便可利用这些权限提升至 root 权限。 该问题已在 1.6.0 版本中修复：镜像在密封（sealed）时会移除 sudoers 规则及 docker 用户组成员身份；对于已部署的设备，boneio 1.6.0 随附的迁移脚本会在首次启动升级后自动移除上述两项配置。此后，所有特

CVSS 9.3 · Critical
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I. Basic Information for CVE-2026-77055

Vulnerability Information
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Vulnerability Title
Improper Privilege Assignment in boneIO
Source: CVE Program / CVE List V5
Vulnerability Description
boneIO black_debian_images gives the boneio service account excessive privileges, including full passwordless sudo access and membership in the docker group. A local attacker who compromises the boneio user can use these privileges to escalate to root. This issue was fixed in version 1.6.0: the image removes the sudoers rule and the docker group membership when it is sealed, and devices already in the field have both removed by migrations shipped with boneio 1.6.0 and applied on first start after the upgrade. Privileged operations now go through helpers that accept only a fixed set of commands, with migrations verified against Ed25519 signatures.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
特权授予不正确
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
boneIO black_debian_images 1.2.0 ~ 1.6.0 -

II. Public POCs for CVE-2026-77055

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III. Intelligence Information for CVE-2026-77055

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Security Blog Posts for CVE-2026-77055 (1)

Vendor Pages for CVE-2026-77055 (1)

Same Patch Batch · boneIO · 2026-10-26 · 11 CVEs total

CVE-2026-77059 8.8 HIGH TOCTOU Race Condition in boneIO
CVE-2026-77052 8.7 HIGH Missing Authentication for Node-RED in boneIO
CVE-2026-77053 8.7 HIGH Missing Authentication in Default Configuration in boneIO
CVE-2026-77056 7.1 HIGH Use of Default Credentials in boneIO
CVE-2026-77054 6.9 MEDIUM Cleartext Storage of Sensitive Information in boneIO
CVE-2026-77062 6.9 MEDIUM Clickjacking in boneIO
CVE-2026-77060 6.8 MEDIUM Incorrect Permission Assignment for Critical Resource in boneIO
CVE-2026-77061 5.3 MEDIUM Missing Authentication for Critical Function in boneIO
CVE-2026-77058 5.1 MEDIUM Cross-Site Request Forgery (CSRF) in boneIO
CVE-2026-77057 2.3 LOW Improper Restriction of Excessive Authentication Attempts in boneIO

IV. Related Vulnerabilities

Same product: black_debian_images
Same vendor: boneIO
Same weakness: CWE-266