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CVE-2026-65650

Quick assessment

Affected
Elgg Elgg
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.

Elgg是elgg团队开源的一套社交网络引擎。 Elgg 7.0.0之前版本存在资源管理错误漏洞，该漏洞源于未检查图像尺寸，可能导致通过上传大头像造成拒绝服务。

CVSS 4.3 · Medium EPSS 0.45% · P37

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking

Affected Version Matrix 2

VendorProduct Version RangeStatus
Elgg Elgg < 6.3.5 affected
7.0.0-rc.1< 7.0.0 affected
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I. Basic Information for CVE-2026-65650

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Elgg before 7.0.0 does not check image dimensions to prevent denial of service via a large avatar upload.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
Elgg 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Elgg是elgg团队开源的一套社交网络引擎。 Elgg 7.0.0之前版本存在资源管理错误漏洞，该漏洞源于未检查图像尺寸，可能导致通过上传大头像造成拒绝服务。
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
Elgg Elgg 0 ~ 6.3.5 -

II. Public POCs for CVE-2026-65650

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III. Intelligence Information for CVE-2026-65650

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Patches & Fixes for CVE-2026-65650 (2)

IV. Related Vulnerabilities

Same product: Elgg
Same vendor: Elgg
Same weakness: CWE-770

V. Comments for CVE-2026-65650

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