Description
The Manage Backgrounds functionality within NagVis versions prior to 1.9.29 is vulnerable to an authenticated path traversal vulnerability. Exploitation of this results in a malicious actor having the ability to arbitrarily delete files on the local system.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| NagVis | NagVis | <1.9.29 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | nagvis | 1:1.9.29-1 | — |
| Debian 13 | nagvis | 1:1.9.29-1 | — |
| Debian 12 | nagvis | 1:1.9.29-1 | — |
| Debian 11 | nagvis | 1:1.9.25-2+deb11u1 | DLA-4149-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | nagvis | No fix yet | — |
| Ubuntu 26.04 LTS | nagvis | No fix yet | — |
| Ubuntu 25.10 | nagvis | No fix yet | — |
| Ubuntu 24.04 LTS | nagvis | No fix yet | — |
| Ubuntu 22.04 LTS | nagvis | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | nagvis | No fix yet | — |
| Ubuntu 16.04 LTS | nagvis | No fix yet | — |
Advisories 2
- DLA-4149-1 nagvis - security update Debian Security (DSA / DLA) · Mar 9, 2026
- WID-SEC-2025-0911 Nagios Enterprises Nagios XI: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 1, 2025