{"id":"GO-2026-5602","summary":"External Secrets Operator has DNS-based secret exfiltration via getHostByName in External Secrets v2 template engine in github.com/external-secrets/external-secrets","details":"External Secrets Operator has DNS-based secret exfiltration via getHostByName in External Secrets v2 template engine in github.com/external-secrets/external-secrets.\n\nNOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.\n\n(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)\n\nThe additional affected modules and versions are: .","aliases":["CVE-2026-34984","GHSA-r2pg-r6h7-crf3"],"modified":"2026-06-25T23:01:35.666966028Z","published":"2026-06-25T22:34:34Z","database_specific":{"review_status":"UNREVIEWED","url":"https://pkg.go.dev/vuln/GO-2026-5602"},"references":[{"type":"ADVISORY","url":"https://github.com/external-secrets/external-secrets/security/advisories/GHSA-r2pg-r6h7-crf3"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34984"},{"type":"FIX","url":"https://github.com/external-secrets/external-secrets/commit/6800989bdc12782ca2605d3b8bf7f2876a16551a"},{"type":"WEB","url":"https://github.com/external-secrets/external-secrets/releases/tag/v2.3.0"}],"affected":[{"package":{"name":"github.com/external-secrets/external-secrets","ecosystem":"Go","purl":"pkg:golang/github.com/external-secrets/external-secrets"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.3.3-0.20260331202714-6800989bdc12"}]}],"ecosystem_specific":{"custom_ranges":[{"events":[{"introduced":"2.0.0"}],"type":"ECOSYSTEM"}]},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-5602.json"}}],"schema_version":"1.7.5"}