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CVE-2026-111936— Sigma File Manager through 2.2.0 SSRF via Extension Download Commands

Quick assessment

Affected
aleksey-hoffman Sigma File Manager
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.

Sigma File Manager 2.2.0 及以下版本存在服务器端请求伪造（SSRF）漏洞。该漏洞源于 中的 函数在扩展下载命令中未对解析后的 IP 地址进行检查。恶意扩展或目录条目可利用解析为回环地址、私有地址或云元数据地址的主机名，通过写入扩展目录的文件来读取内部响应。

CVSS 4.3 · Medium

Affected Version Matrix 1

VendorProduct Version RangeStatus
aleksey-hoffman Sigma File Manager ≤ 2.2.0 affected
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I. Basic Information for CVE-2026-111936

Vulnerability Information
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Vulnerability Title
Sigma File Manager through 2.2.0 SSRF via Extension Download Commands
Source: CVE Program / CVE List V5
Vulnerability Description
Sigma File Manager through 2.2.0 contains a server-side request forgery vulnerability because validate_remote_url() in security.rs never checks resolved IP addresses for extension download commands. A malicious extension or catalog entry can use hostnames resolving to loopback, private, or cloud metadata addresses to read internal responses via files written to the extension directory.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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

Affected Products

Vendor Product Affected Versions CPE Subscribe
aleksey-hoffman Sigma File Manager 0 ~ 2.2.0 -

II. Public POCs for CVE-2026-111936

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III. Intelligence Information for CVE-2026-111936

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Patches & Fixes for CVE-2026-111936 (1)

Vendor Advisories for CVE-2026-111936 (1)

Other References for CVE-2026-111936 (1)

IV. Related Vulnerabilities

Same weakness: CWE-918

V. Comments for CVE-2026-111936

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