# CVE-2018-14056: znc: ZNC before 1.7.1-rc1 is prone to a path traversal flaw via ../ in a web skin name to access files outside of the inte...

CVE-2018-14056 is fixed in 4 products on 1 platform, first by znc 1.6.6-1ubuntu0.1, released July 14, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-14056
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0202
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 14, 2018

## Description

ZNC before 1.7.1-rc1 is prone to a path traversal flaw via ../ in a web skin name to access files outside of the intended skins directories.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | znc Ubuntu 18.04.6 LTS (bionic) | 1.6.6-1ubuntu0.1 | [znc 1.6.6-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-znc-1.6.6-1ubuntu0.1.md) | Jul 14, 2018 |
| Linux | znc-perl Ubuntu 18.04.6 LTS (bionic) | 1.6.6-1ubuntu0.1 | [znc-perl 1.6.6-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-znc-perl-1.6.6-1ubuntu0.1.md) | Jul 14, 2018 |
| Linux | znc-python Ubuntu 18.04.6 LTS (bionic) | 1.6.6-1ubuntu0.1 | [znc-python 1.6.6-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-znc-python-1.6.6-1ubuntu0.1.md) | Jul 14, 2018 |
| Linux | znc-tcl Ubuntu 18.04.6 LTS (bionic) | 1.6.6-1ubuntu0.1 | [znc-tcl 1.6.6-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-znc-tcl-1.6.6-1ubuntu0.1.md) | Jul 14, 2018 |

---

Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.