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CVE-2026-43936— e107: Server-Side Request Forgery (SSRF) in the remote file fetcher

Quick assessment

Affected
e107inc e107
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.

e107是E107团队的一套开源、免费且基于PHP和MySQL的内容管理系统（CMS）。该系统支持多种插件和外观主题，可作为个人博客、讨论社区、档案资料库等。 e107 2.3.4之前版本存在安全漏洞，该漏洞源于管理员屏幕的媒体管理器中通过从远程位置指定本地环境URL，可能导致访问本地环境。

CVSS 4.3 · Medium EPSS 0.33% · P24

Possible ATT&CK Techniques 1 AI

T1552 · Unsecured Credentials

Affected Version Matrix 1

VendorProduct Version RangeStatus
e107inc e107 < 2.3.4 affected
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I. Basic Information for CVE-2026-43936

Vulnerability Information
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Vulnerability Title
e107: Server-Side Request Forgery (SSRF) in the remote file fetcher
Source: CVE Program / CVE List V5
Vulnerability Description
e107 is a content management system (CMS). Prior to 2.3.4, you can access the local environment by specifying the URL of the local environment from "Image/File URL:" of "From a remote location" in "Media Manager" on the administrator screen. This vulnerability is fixed in 2.3.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
e107 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
e107是E107团队的一套开源、免费且基于PHP和MySQL的内容管理系统（CMS）。该系统支持多种插件和外观主题，可作为个人博客、讨论社区、档案资料库等。 e107 2.3.4之前版本存在安全漏洞，该漏洞源于管理员屏幕的媒体管理器中通过从远程位置指定本地环境URL，可能导致访问本地环境。
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
e107inc e107 < 2.3.4 -

II. Public POCs for CVE-2026-43936

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III. Intelligence Information for CVE-2026-43936

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Patches & Fixes for CVE-2026-43936 (2)

Vendor Advisories for CVE-2026-43936 (1)

Same Patch Batch · e107inc · 2026-05-26 · 4 CVEs total

CVE-2026-43935 8.1 HIGH e107: Host Header Injection in e107 password reset enables phishing
CVE-2026-43934 6.5 MEDIUM e107: Broken Access Control in e107 comment edit allows cross-user comment modification
CVE-2026-46620 6.5 MEDIUM e107: CSRF in comment.php moderation endpoints via token-optional validation in session_ha

IV. Related Vulnerabilities

Same product: e107
Same vendor: e107inc
Same weakness: CWE-918

V. Comments for CVE-2026-43936

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