CVE-2026-25518
DoS in cert-manager-controller via Specially Crafted DNS Response in github.com/cert-manager/cert-manager
5.9
MEDIUM
CVSS 3.1
EPSS 0.02%
Description
DoS in cert-manager-controller via Specially Crafted DNS Response in github.com/cert-manager/cert-manager
How to fix CVE-2026-25518
To remediate CVE-2026-25518, upgrade the affected package to a fixed version below.
- Bitnami/cert-manager—upgrade to 1.18.5 or later
- —upgrade to 1.18.5 or later
- —upgrade to 1.18.5 or later
Is CVE-2026-25518 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- >= 1.18.0, < 1.18.5, >= 1.19.0, < 1.19.3
- >= 1.18.0, < 1.18.5
- >= 1.18.0, < 1.18.5, >= 1.19.0, < 1.19.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |