{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"1.14.0","last_affected":"1.21.4"}],"component":"github.com/hashicorp/vault","cve_ids":["CVE-2026-5052"],"ecosystem":"Go","epss":0.00389,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-8r5m-3f66-qpr3","id":"tcs_01M5KF481GS1NC2NMBZP7BR2WE","modified_at":"2026-09-10T03:51:01.202517551Z","published_at":"2026-04-17T06:31:07Z","references":["https://osv.dev/vulnerability/GHSA-8r5m-3f66-qpr3","https://nvd.nist.gov/vuln/detail/CVE-2026-5052","https://discuss.hashicorp.com/t/hcsec-2026-06-vault-vulnerable-to-server-side-request-forgery-in-acme-challenge-validation-via-attacker-controlled-dns/77343","https://github.com/advisories/GHSA-8r5m-3f66-qpr3","https://github.com/hashicorp/vault"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-8r5m-3f66-qpr3","url":"https://osv.dev/vulnerability/GHSA-8r5m-3f66-qpr3"}],"summary":"HashiCorp Vault has Server-Side Request Forgery in ACME Challenge Validation via Attacker-Controlled DNS"}