CVE-2026-26078 Discourse has authentication bypass vulnerability in the Patreon plugin webhook endpoint

Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, when the patreonwebhooksecret site setting is blank, an attacker can forge valid webhook signatures by computing an HMAC-MD5 with an empty string as the key. Since the request body is known to th...

CVE-2026-26078

Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, when the patreonwebhooksecret site setting is blank, an attacker can forge valid webhook signatures by computing an HMAC-MD5 with an empty string as the key. Since the request body is known to th...

CVE-2026-26078 Discourse has authentication bypass vulnerability in the Patreon plugin webhook endpoint

Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, when the patreonwebhooksecret site setting is blank, an attacker can forge valid webhook signatures by computing an HMAC-MD5 with an empty string as the key. Since the request body is known to th...

EUVD-2026-8856

Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, when the patreonwebhooksecret site setting is blank, an attacker can forge valid webhook signatures by computing an HMAC-MD5 with an empty string as the key. Since the request body is known to th...

CVE-2026-26078

Discourse’s Patreon webhook vulnerability (CVE-2026-26078) affects releases prior to 2025.12.2, 2026.1.1, and 2026.2.0. When patreon_webhook_secret is blank, an attacker can generate valid webhook signatures by computing an HMAC-MD5 with an empty key, using the known request body to forge arbitra...

PT-2026-22153

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 2025.12.2 Discourse versions prior to 2026.1.1 Discourse versions prior to 2026.2.0 Description Discourse, an open source discussion platform, is susceptible to a security issue. When the patreon webhook secret site...

Discourse 安全漏洞

Discourse is an open-source community discussion platform developed by Discourse. This platform includes features such as communities, email communication, and chat rooms. Versions of Discourse before 2025.12.2, 2026.1.1, and 2026.2.0 contained security vulnerabilities. These vulnerabilities...

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EUVD-2021-11144

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EUVD-2022-41822

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EUVD-2023-45648

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EUVD-2023-34906

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EUVD-2024-34509

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EUVD-2023-51635

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EUVD-2025-3792

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CVE-2025-48305

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in vikingjs Goal Tracker for Patreon goal-tracker-for-patreon allows Stored XSS.This issue affects Goal Tracker for Patreon: from n/a through = 0.4.6...