Is github.com/external-secrets/external-secrets affected by CVE-2026-34984?

Go github.com/external-secrets/external-secrets is affected in =2.0.0 <=2.2.0.

Is CVE-2026-34984 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

high

CVE-2026-34984

Q: Is CVE-2026-34984 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

Go · github.com/external-secrets/external-secrets

Summary

External Secrets Operator has DNS-based secret exfiltration via getHostByName in External Secrets v2 template engine

Severity: high
EPSS: 0.3% (p17)
Also known as: GHSA-r2pg-r6h7-crf3
Published: 2026-04-13

References

https://github.com/external-secrets/external-secrets/security/advisories/GHSA-r2pg-r6h7-crf3
https://nvd.nist.gov/vuln/detail/CVE-2026-34984
https://github.com/external-secrets/external-secrets/commit/6800989bdc12782ca2605d3b8bf7f2876a16551a

Related advisories

CVE-2026-42875 — medium · Go/github.com/external-secrets/external-secrets
CVE-2026-22822 — medium · Go/github.com/external-secrets/external-secrets

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.