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CVE-2026-38447

Quick assessment

Affected
n/a n/a
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.

osTicket是osTicket公司开源的一款客服工单管理系统。 osTicket 1.18.3版本存在安全漏洞，该漏洞源于使用基于MD5哈希的可预测构造生成API密钥，结合当前时间戳和客户端IP地址等可预测输入显著降低熵，可能导致攻击者暴力破解密钥空间。

AI Predicted 9.8 Difficulty: Easy EPSS 0.46% · P39

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a n/a n/a affected
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I. Basic Information for CVE-2026-38447

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
osTicket 1.18.3 generates API keys using a predictable construction based on MD5 hashing. The use of MD5, combined with predictable inputs such as the current timestamp and client IP address, significantly reduces entropy. An attacker can approximate the key generation time and brute-force the key space within a feasible time window.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
osTicket 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
osTicket是osTicket公司开源的一款客服工单管理系统。 osTicket 1.18.3版本存在安全漏洞，该漏洞源于使用基于MD5哈希的可预测构造生成API密钥，结合当前时间戳和客户端IP地址等可预测输入显著降低熵，可能导致攻击者暴力破解密钥空间。
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
- n/a n/a -

II. Public POCs for CVE-2026-38447

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-38447

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Patches & Fixes for CVE-2026-38447 (2)

Proof of Concept for CVE-2026-38447 (1)

Other References for CVE-2026-38447 (1)

Same Patch Batch · n/a · 2026-08-03 · 20 CVEs total

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CVE-2026-38446 osTicket 安全漏洞
CVE-2026-38444 osTicket 安全漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

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