CVE catalog
CVE-2026-48188
An improper Input Validation vulnerability in OTRS or ((OTRS)) Community Edition database layer module allows an unauthenticated SQL injection which can lead to an authentication bypass. This issue on
- Severity
- Critical · CVSS 9.1
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.74% · Oct 25, 2026
An improper Input Validation vulnerability in OTRS or ((OTRS)) Community Edition database layer module allows an unauthenticated SQL injection which can lead to an authentication bypass. This issue only affects the system if the MySQL/MariaDB server is configured with the NO_BACKSLASH_ESCAPES SQL mode. This issue affects OTRS: * 7.0.X * 8.0.X * 2023.X * 2024.X * 2025.X * 2026.X before 2026.4.X * (OTRS)) Community Edition: 6.0.x Products based on the ((OTRS)) Community Edition also very likely to be affected
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | znuny | sid | 6.5.26-1 | fixed |
| Debian | znuny | forky | 6.5.26-1 | fixed |
| Debian | znuny | trixie | 6.5.15-2 | vulnerable |
| Debian | znuny | bookworm | 6.5.1-1 | vulnerable |
| Cpe | otrs | Not reported | Not reported | unknown |
| Cpe | otrs | Not reported | 2026.4.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | znuny | source | sid | 6.5.25-1 | not yet assigned | Not reported | Not reported |
| Debian | znuny | source | forky | 6.5.25-1 | not yet assigned | Not reported | Not reported |
| Debian | znuny | source | trixie | (unfixed) | not yet assigned | Not reported | Not reported |
| Debian | znuny | source | bookworm | (unfixed) | not yet assigned | Not reported | Not reported |
| Cpe | otrs | cpe | Not reported | 2026.4.1 | Not reported | Not reported | Not reported |
Notes
[trixie] znuny: Non-free not supported [bookworm] znuny: Non-free not supported
OpenFactory catalog packages
References
- [https://nvd.nist.gov/vuln/detail/CVE-2026-48188]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-48188]
- [https://security-tracker.debian.org/tracker/CVE-2026-48188]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1748.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database]