CVE-2026-42875
External Secrets Operator has Namespace Isolation Bypass in CAProvider ConfigMap Resolution for SecretStore in github.com/external-secrets/external-secrets
Description
External Secrets Operator has Namespace Isolation Bypass in CAProvider ConfigMap Resolution for SecretStore in github.com/external-secrets/external-secrets. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: github.com/external-secrets/external-secrets before v2.4.0.
How to fix CVE-2026-42875
To remediate CVE-2026-42875, upgrade the affected package to a fixed version below.
- —upgrade to 2.4.0 or later
- —no fix listed
Is CVE-2026-42875 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.4.0
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N |