CVE-2025-61598

Product/Component: Discourse (open source discussion platform). Vulnerability summary: Versions before 3.6.2 and 3.6.0.beta2 expose a missing Cache-Control header (no-store, no-cache) in error responses, which can enable proxy caching of error pages and potentially lead to cache poisoning. Impact...

EUVD-2025-36558

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...

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

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...

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

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...

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

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...

Discourse 安全漏洞

Discourse is an open source community discussion platform from Discourse Open Source. The platform includes features such as communities, email and chat rooms. A security vulnerability exists in Discourse versions prior to 3.6.2 and 3.6.0.beta2, which stems from the lack of a default Cache-Contro...

PT-2025-44213

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 3.6.2 Discourse version 3.6.0.beta2 Description Discourse, an open source discussion platform, is affected by an issue where the default Cache-Control response header with the value no-store, no-cache was missing fr...

Discourse < 3.3.3 Backup Disclosure

Discourse versions prior to 3.3.3 are vulnerable to a backup disclosure vulnerability due to improper handling of file downloads in the rails sendfile method. An attacker could exploit this vulnerability to download backup files containing sensitive information, potentially leading to data...

EUVD-2021-24189

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EUVD-2019-2063

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EUVD-2019-6501

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EUVD-2020-17061

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EUVD-2021-24190

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EUVD-2021-19551

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EUVD-2021-26485

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CVE-2025-59337

Discourse is an open-source community discussion platform. In versions 3.5.0 and below, malicious meta-commands could be embedded in a backup dump and executed during restore. In multisite setups, this allowed an admin of one site to access data or credentials from other sites. This issue is fixe...

CVE-2025-58055

Discourse is an open-source community discussion platform. In versions 3.5.0 and below, the Discourse AI suggestion endpoints for topic “Title”, “Category”, and “Tags” allowed authenticated users to extract information about topics that they weren’t authorized to access. By modifying the “topicid...

BIT-DISCOURSE-2025-59337 Discourse: Cross-Site Data Exposure via Backup Restore Metacommand Injection in Multisite Deployments

Discourse is an open-source community discussion platform. In versions 3.5.0 and below, malicious meta-commands could be embedded in a backup dump and executed during restore. In multisite setups, this allowed an admin of one site to access data or credentials from other sites. This issue is fixe...

BIT-DISCOURSE-2025-58055 Discourse AI Suggestions Contain Insecure Direct Object Reference

Discourse is an open-source community discussion platform. In versions 3.5.0 and below, the Discourse AI suggestion endpoints for topic “Title”, “Category”, and “Tags” allowed authenticated users to extract information about topics that they weren’t authorized to access. By modifying the “topicid...