CVE-2025-69873

ajv Another JSON Schema Validator before 8.18.0 is vulnerable to Regular Expression Denial of Service ReDoS when the $data option is enabled. The pattern keyword accepts runtime data via JSON Pointer syntax $data reference, which is passed directly to the JavaScript RegExp constructor without...

CVE-2025-69873

CVE-2025-69873 affects ajv (up to v8.17.1). The pattern keyword using $data accepts runtime data and passes it to JavaScript RegExp() without validation, enabling ReDoS with crafted input (e.g., "^(a|a)*$"). This can cause significant CPU usage per request when dynamic schema validation is used. ...

CVE-2025-69873

ajv Another JSON Schema Validator before 8.18.0 is vulnerable to Regular Expression Denial of Service ReDoS when the $data option is enabled. The pattern keyword accepts runtime data via JSON Pointer syntax $data reference, which is passed directly to the JavaScript RegExp constructor without...

PT-2026-7637

Name of the Vulnerable Software and Affected Versions ajv versions through 8.17.1 Description ajv Another JSON Schema Validator is susceptible to Regular Expression Denial of Service ReDoS when the $data option is enabled. The pattern keyword accepts runtime data through JSON Pointer syntax $data...