CVE-2026-125357— Munin munin-httpd through 2.999.18 Path Traversal via Static File Handler

Quick assessment

Affected

munin-monitoring munin

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.

Munin 的 munin-httpd 组件（版本 2.99.1 至 2.999.18）在 Munin::Master::HTML::handle_request 的静态文件处理程序中存在路径遍历漏洞。该漏洞允许未认证的攻击者读取静态目录之外的文件。攻击者可通过请求绕过对子字符串的检查，从而读取包含监控服务凭据的和配置文件。

CVSS 5.3 · Medium Updated Nov 10, 2026

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Vulnerability Information

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Vulnerability Title

Munin munin-httpd through 2.999.18 Path Traversal via Static File Handler

Source: CVE Program / CVE List V5

Vulnerability Description

Munin munin-httpd 2.99.1 through 2.999.18 contains a path traversal vulnerability in the static file handler of Munin::Master::HTML::handle_request that allows unauthenticated attackers to read files outside the static directory. Attackers can request /static/../<file> to bypass the '/../' substring check and read munin.conf and plugin-conf.d files containing monitored service credentials.

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

对路径名的限制不恰当(路径遍历)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
munin-monitoring	munin	2.99.1 ~ 2.999.18	-

II. Public POCs for CVE-2026-125357

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-125357

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Other References for CVE-2026-125357 (5)

https://github.com/munin-monitoring/munin/commit/e7b6f452ccca04cff8a0e7285c1279b116a768e1 patch
https://github.com/munin-monitoring/munin/blob/2.999.18/lib/Munin/Master/HTML.pm#L30-L58 technical-description
https://github.com/munin-monitoring/munin product
https://github.com/munin-monitoring/munin/issues/1710 issue-tracking
https://www.vulncheck.com/advisories/munin-munin-httpd-through-2.999.18-path-traversal-via-static-file-handler third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-125357

IV. Related Vulnerabilities

Same weakness: CWE-22