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CVE-2026-108772— bleenco abstruse Cache Endpoint download_cache.go filepath.Join path traversal

Quick assessment

Affected
bleenco abstruse
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.

已在 bleenco abstruse 2.1.0 及更早版本中发现一个安全漏洞。该问题影响 Cache Endpoint 组件中文件 server/api/worker/download_cache.go 的 filepath.Join 函数。对参数 File 的恶意操控可导致路径遍历（Path Traversal）漏洞。该漏洞可被远程利用。相关 exploit 已公开披露，可能被攻击者利用。供应商虽在漏洞公开前较早被联系，但未作任何回应。

CVSS 5.3 · Medium EPSS 0.70% · P52

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
bleenco abstruse 2.0 affected
2.1.0 affected
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I. Basic Information for CVE-2026-108772

Vulnerability Information
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Vulnerability Title
bleenco abstruse Cache Endpoint download_cache.go filepath.Join path traversal
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in bleenco abstruse up to 2.1.0. This issue affects the function filepath.Join of the file server/api/worker/download_cache.go of the component Cache Endpoint. Such manipulation of the argument File leads to path traversal. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
bleenco abstruse 2.0 cpe:2.3:a:bleenco:abstruse:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-108772

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III. Intelligence Information for CVE-2026-108772

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Other References for CVE-2026-108772 (1)

IV. Related Vulnerabilities

Same weakness: CWE-22

V. Comments for CVE-2026-108772

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