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CVE-2026-69079— Unauthenticated Denial of Service via Unbounded Activity-Timeline Range in CTI-Transmute

Quick assessment

Affected
misp cti-transmute
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MISP cti-transmute是MISP组织的一款威胁情报数据格式转换工具。 MISP cti-transmute 1.4.0及之前版本存在资源管理错误漏洞，该漏洞源于/activity_timeline端点未对用户可控的days查询参数进行合理限制，可能导致远程未经身份验证的攻击者提交超大值，消耗大量数据库、CPU或内存资源，影响系统可用性。

CVSS 8.7 · High EPSS 0.54% · P43

Affected Version Matrix 1

VendorProduct Version RangeStatus
misp cti-transmute ≤ 1.4.0 affected
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I. Basic Information for CVE-2026-69079

Vulnerability Information
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Vulnerability Title
Unauthenticated Denial of Service via Unbounded Activity-Timeline Range in CTI-Transmute
Source: CVE Program / CVE List V5
Vulnerability Description
CTI-Transmute contains an uncontrolled resource-consumption vulnerability in the unauthenticated /activity_timeline endpoint. The endpoint accepts a user-controlled days query parameter that was not restricted to a reasonable range. A remote, unauthenticated attacker could submit an excessively large value for this parameter, causing the application to retrieve and process activity data over an arbitrarily large period. This could consume excessive database, CPU, or memory resources, delay the processing of concurrent requests, or trigger an internal server error. Repeated requests could further degrade the availability of the CTI-Transmute website. The vulnerability is corrected by clamping the requested timeline range to a minimum of one day and a maximum of 1,095 days.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
MISP cti-transmute 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MISP cti-transmute是MISP组织的一款威胁情报数据格式转换工具。 MISP cti-transmute 1.4.0及之前版本存在资源管理错误漏洞，该漏洞源于/activity_timeline端点未对用户可控的days查询参数进行合理限制，可能导致远程未经身份验证的攻击者提交超大值，消耗大量数据库、CPU或内存资源，影响系统可用性。
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
misp cti-transmute 0 ~ 1.4.0 -

II. Public POCs for CVE-2026-69079

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 6382 chars
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III. Intelligence Information for CVE-2026-69079

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Patches & Fixes for CVE-2026-69079 (1)

Same Patch Batch · misp · 2026-08-03 · 3 CVEs total

CVE-2026-69078 8.8 HIGH Server-Side Request Forgery and Local File Disclosure in CTI-Transmute Evaluation PDF Rend
CVE-2026-69082 8.8 HIGH Cross-Site Request Forgery in the Administrative User Deletion Endpoint

IV. Related Vulnerabilities

Same product: cti-transmute
Same vendor: misp
Same weakness: CWE-770

V. Comments for CVE-2026-69079

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