CVE-2026-100350

CVE-2026-100350 · kin-openapi deepObject query decoding repeatedly compiles an invariant regular expression

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kin-openapi is a Go project for handling OpenAPI files. From 0.145.0 until 0.146.0, openapi3filter repeatedly calls regexp.MustCompile for the same parameter-name regular expression inside the per-query-key loop in urlValuesDecoder.DecodeObject used to decode a deepObject query parameter. An unauthenticated remote client can send an affected endpoint a request containing many unrelated query keys, causing ValidateRequest to perform work and allocations proportional to the attacker-controlled key count for every deepObject parameter. The expression itself is fixed and this is not regular expression denial of service; the resource consumption comes from loop-invariant recompilation. This issue is fixed in version 0.146.0.

CVSS 5.3 · Средний · EPSS 0,5%

Опубликовано

2026-10-15T15:37:19.077Z

Обновлено

2026-10-15T18:32:57.402Z

Стек: system

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