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CVE-2026-105156— YzmCMS MD5 system.func.php password weak password hash

Quick assessment

Affected
n/a YzmCMS
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.

在 YzmCMS 7.6 及以下版本中发现了一个弱点。受影响的组件是 MD5 处理程序（MD5 Handler），具体涉及文件 中的 函数。通过对参数 进行操纵，可能导致生成的密码哈希值所需的计算工作量不足，从而降低其安全性。 该漏洞可从远程发起攻击，但攻击复杂度较高，可利用性被评估为“困难”。目前相关利用代码已公开，可能被攻击者用于实际攻击。 厂商对此说明如下：“我们的常规发布周期约为6个月。上一次版本发布是在上个月，下一个计划发布的版本将于2027年3月推出。在该 upcoming 版本中，我们将实现向后兼容的

CVSS 3.7 · Low

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 7

VendorProduct Version RangeStatus
n/a YzmCMS 7.0 affected
7.1 affected
7.2 affected
7.3 affected
7.4 affected
7.5 affected
7.6 affected
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I. Basic Information for CVE-2026-105156

Vulnerability Information
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Vulnerability Title
YzmCMS MD5 system.func.php password weak password hash
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in YzmCMS up to 7.6. Impacted is the function Password of the file /common/function/system.func.php of the component MD5 Handler. Executing a manipulation of the argument pass can lead to password hash with insufficient computational effort. The attack may be launched remotely. This attack is characterized by high complexity. The exploitability is considered difficult. The exploit has been made available to the public and could be used for attacks. The vendor kindly explains: "Our regular release cycle is about 6 months. The last release was in the previous month, and our next scheduled version will be released in March 2027. We will implement the backward-compatible gradual hash migration feature in this upcoming release. (...) Before the new version is available, we will publish security mitigation guidance on our official documentation for existing deployers to reduce the risk."
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用具有不充分计算复杂性的口令哈希
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
- YzmCMS 7.0 cpe:2.3:a:yzmcms:yzmcms:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-105156

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III. Intelligence Information for CVE-2026-105156

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Other References for CVE-2026-105156 (1)

Same Patch Batch · n/a · 2026-10-04 · 4 CVEs total

CVE-2026-105149 7.3 HIGH mooSocial all-products sql injection
CVE-2026-105144 5.3 MEDIUM Drogon Static File Router StaticFileRouter.cc route path traversal
CVE-2026-105137 5.0 MEDIUM Laradock Build Process Dockerfile code download

IV. Related Vulnerabilities

Same product: YzmCMS
Same vendor: n/a
Same weakness: CWE-916

V. Comments for CVE-2026-105156

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