CVE-2026-125357

6.9 MEDIUM Fix listed Disclosure Web app

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-11-09 22:02 UTC ReservedThe CVE id was reserved by its CNA
2026-11-10 00:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-11-10 00:17 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: not scored yet.
Severity: 6.9 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2026-11-10 00:17 UTC
Last modified: 2026-11-10 00:17 UTC
Weakness: CWE-22 · Path traversal
Record status: Received

Attack profile CVSS 4.0 · 6.9

Attack vector: Network
Complexity: Low
Attack requirements: None
Privileges needed: None
User interaction: None
Confidentiality: Low
Integrity: None
Availability: None

Raw vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2026-125357.md and follow it. Check whether this project is affected by CVE-2026-125357. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

https://github.com/munin-monitoring/munin/commit/e7b6f452ccca04cff8a0e7285c1279b116a768e1

References

NVD record · CVE.org record