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CVE-2026-3289— Sanluan PublicCMS Template Cache Generation TemplateCacheComponent.java saveMetadata path traversal

Quick assessment

Affected
Sanluan PublicCMS
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.

PublicCMS是中国PublicCMS公司的一套使用Java语言编写的开源内容管理系统（CMS）。 PublicCMS 6.202506.d版本存在路径遍历漏洞，该漏洞源于对组件Template Cache Generation的文件TemplateCacheComponent.java中函数saveMetadata的错误操作，可能导致路径遍历。

CVSS 6.3 · Medium EPSS 0.88% · P58

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-3289

Vulnerability Information
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Vulnerability Title
Sanluan PublicCMS Template Cache Generation TemplateCacheComponent.java saveMetadata path traversal
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in Sanluan PublicCMS 6.202506.d. This impacts the function saveMetadata of the file TemplateCacheComponent.java of the component Template Cache Generation. Executing a manipulation can lead to path traversal. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks. 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:L/UI:N/S:U/C:L/I:L/A:L
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
Vulnerability Title
PublicCMS 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PublicCMS是中国PublicCMS公司的一套使用Java语言编写的开源内容管理系统（CMS）。 PublicCMS 6.202506.d版本存在路径遍历漏洞，该漏洞源于对组件Template Cache Generation的文件TemplateCacheComponent.java中函数saveMetadata的错误操作，可能导致路径遍历。
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
Sanluan PublicCMS 6.202506.d cpe:2.3:a:publiccms:publiccms:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-3289

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III. Intelligence Information for CVE-2026-3289

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Security Blog Posts for CVE-2026-3289 (1)

IV. Related Vulnerabilities

Same product: PublicCMS
Same vendor: Sanluan
Same weakness: CWE-22

V. Comments for CVE-2026-3289

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