CVE-2026-125357
Munin munin-httpd through 2.999.18 Path Traversal via Static File Handler
CVE-2026-125357 is a medium vulnerability (CVSS 6.9) in Munin-monitoring Munin, published November 9, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.74%, the 55th percentile. No source names a fixed version.
- Severity
- 6.9 MediumCVSS 4.0, CVE List
- Exploit chance
- 0.74%EPSS, 55th percentile
- Exploitation
- None known1 public exploit
- Fixed in
- No fix listedNo source names one
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
muninUbuntu:14.04:LTS | All versions, plus listed versions 2.0.17-2ubuntu12.0.17-3ubuntu12.0.18-1ubuntu12.0.19-22.0.19-32.0.19-3ubuntu0.22.0.19-3ubuntu0.3 | None known |
muninUbuntu:16.04:LTS | All versions, plus listed versions 2.0.25-12.0.25-22.0.25-2ubuntu0.16.04.22.0.25-2ubuntu0.16.04.32.0.25-2ubuntu0.16.04.4 | None known |
muninUbuntu:18.04:LTS | All versions, plus listed versions 2.0.33-12.0.34-32.0.37-12.0.37-1ubuntu0.1 | None known |
muninUbuntu:20.04:LTS | All versions, plus listed versions 2.0.49-3ubuntu12.0.51-1ubuntu12.0.54-1ubuntu12.0.54-1ubuntu22.0.56-1ubuntu1 | None known |
muninUbuntu:22.04:LTS | All versions, plus listed versions 2.0.57-1ubuntu12.0.57-1ubuntu2 | None known |
muninUbuntu:24.04:LTS | All versions, plus listed versions 2.0.71-2ubuntu12.0.74-2ubuntu12.0.74-2ubuntu22.0.75-1ubuntu1 | None known |
muninUbuntu:26.10 | All versions, plus listed versions 2.0.76-5ubuntu1 | None known |
muninUbuntu:26.04:LTS | All versions, plus listed versions 2.0.76-5ubuntu1 | None known |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | Munin munin-httpd 2.99.1-2.999.18 - Unauthenticated Path Traversal |
What each source reports
CVE List Score used
Munin munin-httpd through 2.999.18 Path Traversal via Static File Handler
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.
- Record
CVE-2026-125357- CVSS 4.0
- 6.9 Medium
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 - CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-10
EUVDEUVD-2026-120520
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.
- Record
EUVD-2026-120520- CVSS 4.0
- 6.9 Medium
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 - Updated
- 2026-11-14
GitHub AdvisoriesGHSA-p249-34gr-hj2h
Munin munin-httpd 2.99.1 through 2.999.18 contains a path traversal vulnerability in the static...
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.
- Record
GHSA-p249-34gr-hj2h- CVSS 4.0
- 6.9 Medium
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 - CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-10
NVD
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.
- Record
CVE-2026-125357- CVSS 4.0
- 6.9 Medium
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 - CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-14
OSV
Munin munin-httpd through 2.999.18 Path Traversal via Static File Handler
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.
- Record
CVE-2026-125357- CVSS 4.0
- 6.9 Medium
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 - Weakness
- CWE-22
- Updated
- 2026-11-11
OSVUBUNTU-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::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.
- Record
UBUNTU-CVE-2026-125357- CVSS 4.0
- 6.9 Medium
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 - CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-12
History
| Recorded | Changed | Sources |
|---|---|---|
| published | EUVD, OSV | |
| exploits | Nuclei | |
| affected, aliases, references | OSV | |
| references | NVD, OSV | |
| published | EUVD | |
| aliases, references | GitHub Advisories | |
| cwes, references, severity, title | CVE List | |
| first indexed | EUVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
github.com/munin-monitoring/munin/issues/1710
vulncheck.com/advisories/munin-munin-httpd-through-2.999.18-path-traversal-via-static-file-handler
nvd.nist.gov/vuln/detail/CVE-2026-125357