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🎙️ Episodes 📰 News ⚠️ Threats 🛡️ CVEs 🏛️ Frameworks ❓ FAQs

Global malware → Financial Services, Cryptocurrency CRITICAL 43m Global general → Financial Services and E-commerce MEDIUM 45m Global data_breach → Social Media and Communications CRITICAL 58m Global general → Cybersecurity Operations HIGH 1h Global phishing → Technology and Consumer Services HIGH 1h Global data_breach → Multiple sectors HIGH 2h Global vulnerability → Government and Critical Infrastructure CRITICAL 2h Global vulnerability → Multiple sectors CRITICAL 2h Global apt → Financial Services, Government HIGH 2h Global insider → Cross-sector CRITICAL 3h Global malware → Financial Services, Cryptocurrency CRITICAL 43m Global general → Financial Services and E-commerce MEDIUM 45m Global data_breach → Social Media and Communications CRITICAL 58m Global general → Cybersecurity Operations HIGH 1h Global phishing → Technology and Consumer Services HIGH 1h Global data_breach → Multiple sectors HIGH 2h Global vulnerability → Government and Critical Infrastructure CRITICAL 2h Global vulnerability → Multiple sectors CRITICAL 2h Global apt → Financial Services, Government HIGH 2h Global insider → Cross-sector CRITICAL 3h Global malware → Financial Services, Cryptocurrency CRITICAL 43m Global general → Financial Services and E-commerce MEDIUM 45m Global data_breach → Social Media and Communications CRITICAL 58m Global general → Cybersecurity Operations HIGH 1h Global phishing → Technology and Consumer Services HIGH 1h Global data_breach → Multiple sectors HIGH 2h Global vulnerability → Government and Critical Infrastructure CRITICAL 2h Global vulnerability → Multiple sectors CRITICAL 2h Global apt → Financial Services, Government HIGH 2h Global insider → Cross-sector CRITICAL 3h

Vulnerabilities ›

CVE-2026-28227

Low

Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, TL4 users can publish topics into staff-only categories via the `publish_to_category` topic timer,

CWE-863 — Weakness Type

                    Published: Feb 26, 2026                      ·  Modified: Mar 5, 2026                      ·  Source: NVD                

CVSS v3

2.7

🔗 NVD Official

📄 Description (English)

Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, TL4 users can publish topics into staff-only categories via the `publish_to_category` topic timer, bypassing authorization checks. Versions 2025.12.2, 2026.1.1, and 2026.2.0 patch the issue. No known workarounds are available.

🤖

Queued for AI Analysis

This CVE will be auto-analyzed on the next cron run.

🔗 References & Sources 1

https://github.com/discourse/discourse/security/advisories/GHSA-m49w-78mh-87jp

security-advisories@github.com

Vendor Advisory

📦 Affected Products / CPE 3 entries

discourse:discourse

discourse:discourse

discourse:discourse:2026.2.0

📊 CVSS Score

2.7

/ 10.0 — Low

📊 CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

Attack VectorN — None / Network

Attack ComplexityL — Low / Local

Privileges RequiredH — High

User InteractionN — None / Network

ScopeU — Unchanged

ConfidentialityN — None / Network

IntegrityL — Low / Local

AvailabilityN — None / Network

📋 Quick Facts

Severity Low

CVSS Score2.7

CWECWE-863

EPSS0.03%

Exploit No

Patch ✗ No

Published 2026-02-26

Source Feed nvd

Views 2

🏷️ Tags

CWE-863

🏢 Vendor Advisories

🔗 https://github.com/discourse/discourse/security/advi...

⚡ Actions

🔗 NVD Official Page ⚡ Exploit-DB Search 🐙 GitHub PoC Search 🎯 MITRE ATT&CK 📊 CVE Details

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