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CVE-2026-86836

Quick assessment

Affected
Eclipse Foundation Eclipse Ankaios
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.

Eclipse Ankaios是美国Eclipse基金会的一款操作系统产品。 Eclipse Ankaios 0.1.0版本至1.0.2版本存在安全漏洞，该漏洞源于agent在可预测路径下创建工作负载文件和Control Interface命名管道（FIFO），仅依据存在性和文件类型检查复用已有目录或FIFO，未验证其所有者或权限，本地无特权用户可预先创建该路径层级及两个Control Interface FIFO，从而冒充工作负载并利用其controlInterfaceAccess权限，导致未经授权读取

CVSS 8.4 · High EPSS 0.11% · P1

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
Eclipse Foundation Eclipse Ankaios 0.1.0≤ 1.0.2 affected
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I. Basic Information for CVE-2026-86836

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Eclipse Ankaios versions 0.1.0 through 1.0.2, the agent creates workload files and Control Interface named pipes (FIFOs) under a predictable path derived from the agent name and a hash of the workload's runtime configuration. If a directory or FIFO already exists at that path when the agent (re)starts, the agent reuses it based only on an existence and/or file-type check, without validating its owner or permissions. A local, unprivileged user with write access to the same base directory (by default under `$TMPDIR/ankaios`, e.g. shared `/tmp`) can pre-create this path hierarchy, including the two Control Interface FIFOs, before the agent starts. The agent then treats the attacker-owned FIFOs as the legitimate Control Interface for the targeted workload. The attacker can complete the Control Interface handshake and issue requests using that workload's configured `controlInterfaceAccess` permissions, allowing impersonation of the workload and, depending on its configured permissions, unauthorized reading and/or modification of the cluster's desired state.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
在具有不安全权限的目录中创建临时文件
Source: CVE Program / CVE List V5
Vulnerability Title
Eclipse Ankaios 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Eclipse Ankaios是美国Eclipse基金会的一款操作系统产品。 Eclipse Ankaios 0.1.0版本至1.0.2版本存在安全漏洞，该漏洞源于agent在可预测路径下创建工作负载文件和Control Interface命名管道（FIFO），仅依据存在性和文件类型检查复用已有目录或FIFO，未验证其所有者或权限，本地无特权用户可预先创建该路径层级及两个Control Interface FIFO，从而冒充工作负载并利用其controlInterfaceAccess权限，导致未经授权读取
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Eclipse Foundation Eclipse Ankaios 0.1.0 ~ 1.0.2 -

II. Public POCs for CVE-2026-86836

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III. Intelligence Information for CVE-2026-86836

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Patches & Fixes for CVE-2026-86836 (1)

Vendor Pages for CVE-2026-86836 (2)

Same Patch Batch · Eclipse Foundation · 2026-09-14 · 4 CVEs total

CVE-2026-88819 6.3 MEDIUM Eclipse Data Plane Core 授权问题漏洞
CVE-2026-89321 4.3 MEDIUM CVE-2026-89321
CVE-2026-78299 Eclipse Embedded CDT 路径遍历漏洞

IV. Related Vulnerabilities

Same product: Eclipse Ankaios
Same vendor: Eclipse Foundation
Same weakness: CWE-379