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CVE-2026-1978— kalyan02 NanoCMS User Information pagesdata.txt direct request

Quick assessment

Affected
kalyan02 NanoCMS
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.

NanoCMS是kalyan02个人开发者的一个轻量级内容管理系统。 NanoCMS 0.4及之前版本存在安全漏洞，该漏洞源于对文件/data/pagesdata.txt的错误操作，可能导致直接请求。

CVSS 5.3 · Medium EPSS 0.37% · P31

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-1978

Vulnerability Information
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Vulnerability Title
kalyan02 NanoCMS User Information pagesdata.txt direct request
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in kalyan02 NanoCMS up to 0.4. Affected by this issue is some unknown functionality of the file /data/pagesdata.txt of the component User Information Handler. Performing a manipulation results in direct request. It is possible to initiate the attack remotely. The exploit is now public and may be used. You should change the configuration settings.
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
直接请求(强制性浏览)
Source: CVE Program / CVE List V5
Vulnerability Title
NanoCMS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NanoCMS是kalyan02个人开发者的一个轻量级内容管理系统。 NanoCMS 0.4及之前版本存在安全漏洞，该漏洞源于对文件/data/pagesdata.txt的错误操作，可能导致直接请求。
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
kalyan02 NanoCMS 0.1 cpe:2.3:a:kalyan02:nanocms:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-1978

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III. Intelligence Information for CVE-2026-1978

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Vendor Advisories for CVE-2026-1978 (1)

IV. Related Vulnerabilities

Same product: NanoCMS
Same vendor: kalyan02
Same weakness: CWE-425

V. Comments for CVE-2026-1978

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