ANT-2026-KC1Y51NF · openmeterio/openmeter · sql_injection

sql-injection medium CVE-2026-8462 GHSA-wc3v-3457-c8cm Severity Claude high · Security research firm high · Maintainer medium Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Anvil Security. ANT-2026-KC1Y51NF: SQL...

GHSA-WC3V-3457-C8CM OpenMeter: SQL injection through meter creation

Summary An authenticated tenant can inject arbitrary SQL through the valueProperty or groupBy fields of POST /api/v1/meters. The injection passes the application's JSONPath validation check and executes against the shared ClickHouse database, which contains event data for all tenants with no...