{"items":[{"id":"NVI-00016122","kind":"vulnerability","title":"HashiCorp Vault has Server-Side Request Forgery in ACME Challenge Validation via Attacker-Controlled DNS","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-8r5m-3f66-qpr3","CVE-2026-5052"],"plain_summary":"GitHub lists this reviewed advisory for github.com/hashicorp/vault. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-27fd36c06028a00395e77a9373723fa3"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-07-21T13:57:07.000Z","value":"5.3 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-27fd36c06028a00395e77a9373723fa3"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-27fd36c06028a00395e77a9373723fa3","url":"https://github.com/advisories/GHSA-8r5m-3f66-qpr3","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-8r5m-3f66-qpr3","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T22:34:49.300Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-27fd36c06028a00395e77a9373723fa3"],"technology":"github.com/hashicorp/vault","known_exclusions":[],"conditions_summary":"Vault’s PKI engine’s ACME validation did not reject local targets when issuing http-01 and tls-alpn-01 challenges. This may lead to these requests being sent to local network targets, potentially leading to information disclosure. Fixed in Vault Community Edition 2.0.0 and Vault Enterprise 2.0.0, 1.21.5, 1.20.10, and 1.19.16.","public_affected_ranges":[">= 1.14.0, <= 1.21.4"]}],"null_published_at":"2026-11-04T10:04:27.895Z","source_updated_at":"2026-07-21T13:57:07.000Z","source_disclosed_at":"2026-04-17T06:31:07.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-03T22:34:49.300Z"}],"next_cursor":null,"snapshot_revision":"42594"}