GO-2026-5602
External Secrets Operator has DNS-based secret exfiltration via getHostByName in External Secrets v2 template engine in github.com/external-secrets/external-secrets
Quick fix
GO-2026-5602 — github.com/external-secrets/external-secrets: upgrade to the fixed version with the command below.
go get github.com/external-secrets/external-secrets@v1.3.3-0.20260331202714-6800989bdc12Details
External Secrets Operator has DNS-based secret exfiltration via getHostByName in External Secrets v2 template engine 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: .
Are you affected?
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Affected packages
0Fixed in: 1.3.3-0.20260331202714-6800989bdc12go get github.com/external-secrets/external-secrets@v1.3.3-0.20260331202714-6800989bdc12References
- https://github.com/external-secrets/external-secrets/security/advisories/GHSA-r2pg-r6h7-crf3[ADVISORY]
- https://nvd.nist.gov/vuln/detail/CVE-2026-34984[ADVISORY]
- https://github.com/external-secrets/external-secrets/commit/6800989bdc12782ca2605d3b8bf7f2876a16551a[FIX]
- https://github.com/external-secrets/external-secrets/releases/tag/v2.3.0[WEB]