6.3
CVE-2026-27447
- EPSS 0.01%
- Veröffentlicht 03.04.2026 21:11:59
- Zuletzt bearbeitet 22.04.2026 16:20:51
- Quelle security-advisories@github.com
- CVE-Watchlists
- Unerledigt
OpenPrinting CUPS: Authorization bypass via case-insensitive group-member lookup
OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, CUPS daemon (cupsd) contains an authorization bypass vulnerability due to case-insensitive username comparison during authorization checks. The vulnerability allows an unprivileged user to gain unauthorized access to restricted operations by using a user with a username that differs only in case from an authorized user. At time of publication, there are no publicly available patches.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Openprinting ≫ Cups Version <= 2.4.16
VulnDex Vulnerability Enrichment
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.01% | 0.026 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 6.3 | 2.1 | 4.2 |
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
|
| security-advisories@github.com | 4.8 | 0.5 | 4.2 |
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:L/A:N
|
CWE-863 Incorrect Authorization
The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.