CVE-2025-61598 – Discourse is missing Cache-Control response header on error responses

CVE ID : CVE-2025-61598

Published : Oct. 28, 2025, 8:38 p.m. | 6 minutes ago

Description : Discourse is an open source discussion platform. Version before 3.6.2 and 3.6.0.beta2, default Cache-Control response header with value no-store, no-cache was missing from error responses. This may caused unintended caching of those responses by proxies potentially leading to cache poisoning attacks. This vulnerability is fixed in 3.6.2 and 3.6.0.beta2.

Severity: 0.0 | NA

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