Elasticsearch 8.x < 8.19.20 / 9.0.x < 9.4.5 Multiple Vulnerabilities (ESA-2026-76 / ESA-2026-77 / ESA-2026-118 / ESA-2026-119 / ESA-2026-133)

The version of Elasticsearch installed on the remote host is 8.x prior to 8.19.20, or 9.0.x prior to 9.4.5. It is, therefore, affected by multiple vulnerabilities as referenced in the ESA-2026-76, ESA-2026-77, ESA-2026-118, ESA-2026-119, and ESA-2026-133 advisories. - Uncontrolled Recursion CWE-6...

Elasticsearch 8.19.x < 8.19.20 / 9.0.x < 9.4.5 DoS (ESA-2026-81)

The version of Elasticsearch installed on the remote host is 8.19.x prior to 8.19.20, or 9.0.x prior to 9.4.5. It is, therefore, affected by a vulnerability as referenced in the ESA-2026-81 advisory. - Elasticsearch does not apply its configurable input length restriction to a user-supplied patte...

CVE-2026-72679 Uncontrolled Recursion in Elasticsearch Leading to Denial of Service

Elasticsearch does not apply its configurable input length restriction to a user-supplied pattern accepted by an intervals query. Compiling a deeply nested pattern drives unbounded recursion that exhausts the thread stack and raises a fatal error, terminating the Elasticsearch node process and...

PT-2026-71762

Uncontrolled Recursion CWE-674 in Elasticsearch can lead to denial of service via Serialized Data with Nested Payloads CAPEC-230. An authenticated user holding only read privileges on a single index can submit one specially crafted search request whose deeply nested structure is processed without...