Go/github.com/external-secrets/external-secrets CVE-2026-34984: medium 6.5, EPSS 0.45%
External Secrets Operator has DNS-based secret exfiltration via getHostByName in External Secrets v2 template engine
Action: Upgrade github.com/external-secrets/external-secrets to 1.3.3-0.20260331202714-6800989bdc12 or later.
go get github.com/external-secrets/external-secrets@v1.3.3-0.20260331202714-6800989bdc12Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.3.3-0.20260331202714-6800989bdc12 | - |
| 2.0.0 | - | 2.2.0 |
Fixed versions
| 1.3.3-0.20260331202714-6800989bdc12 |
Sources
- osv: GHSA-r2pg-r6h7-crf3
- 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
- https://github.com/external-secrets/external-secrets
- https://github.com/external-secrets/external-secrets/releases/tag/v2.3.0
CVE-2026-34984 · published · modified · JSON