CVE-2026-33355

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, the /private-posts endpoint did not apply post-type visibility filtering, allowing regular PM participants to see whisper posts in PM topics they had access to. Versions 2026.3.0-latest.1...

CVE-2026-28282

Discourse security advisory: A vulnerability in the discourse-policy plugin allows a user with policy creation permission to gain membership in private/restricted groups. Affected versions are prior to 2026.3.0-latest.1, 2026.2.1, and 2026.1.2. Exploitation would let the user read private topics ...

You have to invite them in

Welcome to this week's edition of the Threat Source newsletter. I found myself watching the Oscars ceremony in its entirety for the first time in a few years. I'm in the U.K., so I watched it the following day. With next week's Year in Review launch looming and several pieces of content still to...

Admidio 安全漏洞

Admidio is a set of open-source member management systems developed by the Admidio team. This system supports features such as member lists, event management, message boards, photo albums, and downloads. Versions 5.0.0 to 5.0.6 of Admidio have security vulnerabilities. These vulnerabilities stem...

Discourse 安全漏洞

Discourse is an open-source community discussion platform developed by Discourse. This platform includes features such as communities, email, and chat rooms. Versions of Discourse prior to 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain security vulnerabilities. These vulnerabilities stem from...

PT-2026-26371

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 2026.3.0-latest.1 Discourse versions prior to 2026.2.1 Discourse versions prior to 2026.1.2 Description Discourse is an open-source discussion platform. Versions prior to 2026.3.0-latest.1, 2026.2.1, and 2026.1.2...

PT-2026-26378

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 2026.3.0-latest.1 Discourse versions prior to 2026.2.1 Discourse versions prior to 2026.1.2 Description Discourse is an open-source discussion platform. A security flaw exists within the discourse-policy plugin that...

Spinning complex ideas into clear docs with Kri Dontje

Welcome back! This week, we're shining a spotlight on Kri Dontje, a technical writer who's become an essential voice in making Cisco Talos' work understandable for a wide audience. With a background in technical communications and a career that began at a small startup, Kri discusses the importan...

BIT-DISCOURSE-2026-26979 Discourse: TL4 users are able to change status of restricted topics

Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, TL4 users are able to close, archive and pin topics in private categories they don't have access to. Versions 2025.12.2, 2026.1.1, and 2026.2.0 patch the issue. No known workarounds are available...

Binary_Exploitation_Material

Binary Exploitation Material Personal collection of binary ex...

CVE-2026-28559

wpForo Forum 2.4.14 contains an information disclosure vulnerability that allows unauthenticated users to retrieve private and unapproved forum topics via the global RSS feed endpoint. Attackers request the RSS feed without a forum ID parameter, bypassing the privacy and status WHERE clauses that...

CVE-2026-28562

wpForo 2.4.14 contains an unauthenticated SQL injection vulnerability in Topics::gettopics where the ORDER BY clause relies on ineffective escsql sanitization on unquoted identifiers. Attackers exploit the wpfob parameter with CASE WHEN payloads to perform blind boolean extraction of credentials...

EUVD-2026-9111

wpForo 2.4.14 contains an unauthenticated SQL injection vulnerability in Topics::gettopics where the ORDER BY clause relies on ineffective escsql sanitization on unquoted identifiers. Attackers exploit the wpfob parameter with CASE WHEN payloads to perform blind boolean extraction of credentials...

EUVD-2026-9108

wpForo Forum 2.4.14 contains an information disclosure vulnerability that allows unauthenticated users to retrieve private and unapproved forum topics via the global RSS feed endpoint. Attackers request the RSS feed without a forum ID parameter, bypassing the privacy and status WHERE clauses that...

CVE-2026-28562

wpForo 2.4.14 contains an unauthenticated SQL injection vulnerability in Topics::gettopics where the ORDER BY clause relies on ineffective escsql sanitization on unquoted identifiers. Attackers exploit the wpfob parameter with CASE WHEN payloads to perform blind boolean extraction of credentials...

CVE-2026-28562

wpForo 2.4.14 contains an unauthenticated SQL injection vulnerability in Topics::gettopics where the ORDER BY clause relies on ineffective escsql sanitization on unquoted identifiers. Attackers exploit the wpfob parameter with CASE WHEN payloads to perform blind boolean extraction of credentials...

CVE-2026-28559

wpForo Forum 2.4.14 contains an information disclosure vulnerability that allows unauthenticated users to retrieve private and unapproved forum topics via the global RSS feed endpoint. Attackers request the RSS feed without a forum ID parameter, bypassing the privacy and status WHERE clauses that...

CVE-2026-28559

wpForo Forum 2.4.14 contains an information disclosure vulnerability that allows unauthenticated users to retrieve private and unapproved forum topics via the global RSS feed endpoint. Attackers request the RSS feed without a forum ID parameter, bypassing the privacy and status WHERE clauses that...

CVE-2026-28562 wpForo Forum 2.4.14 SQL Injection via Topics ORDER BY Parameter

wpForo 2.4.14 contains an unauthenticated SQL injection vulnerability in Topics::gettopics where the ORDER BY clause relies on ineffective escsql sanitization on unquoted identifiers. Attackers exploit the wpfob parameter with CASE WHEN payloads to perform blind boolean extraction of credentials...

CVE-2026-28562

wpForo 2.4.14 contains an unauthenticated SQL injection vulnerability in Topics::gettopics where the ORDER BY clause relies on ineffective escsql sanitization on unquoted identifiers. Attackers exploit the wpfob parameter with CASE WHEN payloads to perform blind boolean extraction of credentials...