CVE-2025-69873

A flaw was found in ajv. When the $data option is enabled, the value of the pattern keyword is passed directly to the JavaScript RegExp constructor without sufficient validation. An attacker able to supply a malicious regular expression pattern can trigger a ReDoS Regular Expression Denial of...

Regular Expression Denial of Service (ReDoS)

Overview org.webjars.npm:ajv is an Another JSON Schema Validator Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS due to improper validation of the pattern keyword when combined with $data references. An attacker can cause the application to become...

CVE-2025-69873

The ajv (Another JSON Schema Validator) library before version 8.18.0 is vulnerable to a Regular Expression Denial of Service (ReDoS) when the $data option is enabled. The root cause is that the pattern keyword accepts runtime data via JSON Pointer syntax ($data reference) and passes it directly ...

Regular Expression Denial of Service (ReDoS)

Overview ajv is an Another JSON Schema Validator Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS due to improper validation of the pattern keyword when combined with $data references. An attacker can cause the application to become unresponsive and...