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HTTP QUERY Method: The Grey Zone Between GET And POST., (Fri, Sep 18th)

ID: c2a4b1d6-5f45-5fc5-b245-0396c8c6ef71

STIX ID: report--c2a4b1d6-5f45-5fc5-b245-0396c8c6ef71

Feed Name: SANS ISC Diary

Threat Score
35/100

Date Published: 2026-09-18

Date Updated: 2026-09-18

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The IETF published RFC 10008 introducing a new HTTP method, QUERY, which places the request query in the body and is defined as safe and idempotent; inconsistent support across clients, servers, frameworks, CDNs and security controls can lead to WAF/inspection bypasses, cache poisoning, and CSRF gaps, so defenders should update method allowlists, regexes and caching/keying rules and audit logs for QUERY traffic.

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