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CVE-2026-42875

External Secrets Operator reads information from a third-party service and automatically injects the values as Kubernetes Secrets. Prior to 2.4.0, Namespaced SecretStore resources that used CAProvider with type ConfigMap could resolve CA material from another namespace when caProvider.namespace was set. This bypassed the namespace boundary enforced for SecretStore-backed references in providers that rely on the shared runtime CA resolver. This vulnerability is fixed in 2.4.0.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b043863090ab88a7223b4311f705e11c6cf035e12ed35ee0cc9fe3d66262989d
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-285","description":"CWE-285: Improper Authorization","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2967b728feda1301ea1b35f1f3ad713881a8f2f10c07270f60f781b4b67db8dc · sha256:2f6ab370a09cf368… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-668","description":"CWE-668: Exposure of Resource to Wrong Sphere","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2967b728feda1301ea1b35f1f3ad713881a8f2f10c07270f60f781b4b67db8dc · sha256:2f6ab370a09cf368… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"external-secrets","vendor":"external-secrets","versions":[{"status":"affected","version":"< 2.4.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2967b728feda1301ea1b35f1f3ad713881a8f2f10c07270f60f781b4b67db8dc · sha256:2f6ab370a09cf368… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.3,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"NONE","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2967b728feda1301ea1b35f1f3ad713881a8f2f10c07270f60f781b4b67db8dc · sha256:2f6ab370a09cf368… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-285","description":"CWE-285: Improper Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2967b728feda1301ea1b35f1f3ad713881a8f2f10c07270f60f781b4b67db8dc · sha256:2f6ab370a09cf368… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-668","description":"CWE-668: Exposure of Resource to Wrong Sphere","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2967b728feda1301ea1b35f1f3ad713881a8f2f10c07270f60f781b4b67db8dc · sha256:2f6ab370a09cf368… · /containers/cna/problemTypes/1/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/external-secrets/external-secrets/security/advisories/GHSA-wv26-88m5-6h59","tags":["x_refsource_CONFIRM"],"url":"https://github.com/external-secrets/external-secrets/security/advisories/GHSA-wv26-88m5-6h59"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2967b728feda1301ea1b35f1f3ad713881a8f2f10c07270f60f781b4b67db8dc · sha256:2f6ab370a09cf368… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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