Munin munin-httpd 2.99.1 through 2.999.18 contains a path traversal vulnerability in the static file handler of…
CVE-2026-125357
Munin munin-httpd 2.99.1 through 2.999.18 contains a path traversal vulnerability in the static file handler of Munin::Master::HTML::handlerequest that allows unauthenticated attackers to read files outside the static directory. Attackers can request /static/../ to bypass the '/../' substring check and read munin.conf and plugin-conf.d files containing monitored service credentials.
Assessment
- CVSS
- 6.9 (v4.0)
- Severity
- Medium
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 9 November 2026
- Last updated
- 9 November 2026
- Affected
- munin-monitoring · munin
- Assigner
- VulnCheck
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
At the source
References
- https://github.com/munin-monitoring/munin/issues/1710
- https://github.com/munin-monitoring/munin
- https://github.com/munin-monitoring/munin/blob/2.999.18/lib/Munin/Master/HTML.pm#L30-L58
- https://github.com/munin-monitoring/munin/commit/e7b6f452ccca04cff8a0e7285c1279b116a768e1
- https://www.vulncheck.com/advisories/munin-munin-httpd-through-2.999.18-path-traversal-via-static-file-handler
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