CVE-2026-28755
nginxVulnerabilityCVSS 5.3Patched
No public exploitation has been reported so far. A fixed version is available (see the table below).
Recommended action: Update to the fixed version listed for your distribution using the native package manager.
Severity metrics
CVSS 4.0 : 5.3 MEDIUM · CVSS 3.1 : 5.4 MEDIUM
Attack vectorNetwork (remote)
Attack complexityLow
Attack requirementsNone
Privileges requiredLow
User interactionNone
Confidentiality impactLow
Integrity impactLow
Availability impactNone
Subsequent confidentialityNone
Subsequent integrityNone
Subsequent availabilityNone
Vector: AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Affected & fixed versions by distribution
Versions are the native distribution strings (backport-aware): RHEL/Debian/SUSE backport fixes, so compare with the distro version comparator (dpkg / rpm / vercmp), not the upstream version.
| Distribution | Package | Affected | Fixed version | Status |
|---|---|---|---|---|
| Debian:14 | nginx | - | 1.28.3-2 | fixed |
| Ubuntu:24.04:LTS | nginx | - | 1.24.0-2ubuntu7.7 | fixed |
| Ubuntu:25.10 | nginx | - | 1.28.0-6ubuntu1.2 | fixed |
| openSUSE:Tumbleweed | nginx | - | 1.29.7-1.1 | fixed |
| Red Hat:hummingbird:1 | nginx | - | 0:1.30.0-1.hum1 | fixed |