AUGUST 4, 2026
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Case File

CVE-2026-27021

MEDIUM · CVSS 5.3 EPSS 0.28% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-02-26 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.3. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-27021
Severity
MEDIUM
CVSS
5.3
EPSS
0.28%

Original NVD Description

Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, the voters endpoint in the poll plugin lacked post visibility checks which allowed unauthorized access to voters details of polls in any post. Versions 2025.12.2, 2026.1.1, and 2026.2.0 patch the issue. No known workarounds are available.

Related CVEs

Other vulnerabilities affecting the same vendor(s)