Lucene search
+L

CVE-2026-27454

🗓️ 19 Mar 2026 20:39:28Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 39 Views🌐 WEB

Discourse allowed reading hidden revisions via /posts/:id.json?version=X before fixes; now checks authorization.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
Node
OR
discoursediscourseRange2026.1.0–2026.1.2
discoursediscourseRange2026.2.0–2026.2.1
discoursediscourseMatch2026.3.0latest
[
  {
    "vendor": "discourse",
    "product": "discourse",
    "versions": [
      {
        "version": ">= 2026.1.0-latest, < 2026.1.2",
        "status": "affected"
      },
      {
        "version": ">= 2026.2.0-latest, < 2026.2.1",
        "status": "affected"
      },
      {
        "version": "= 2026.3.0-latest",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
versionquery param/posts/:id.json?version=XBypass authorization to read post revisions by supplying a version number via the version query parameter on /posts/:id.json, potentially exposing hidden revisions.CWE-862
revisionpath/posts/:id/revisions/:revisionAccess to post revisions via the revisions endpoint could allow viewing revisions without proper authorization.CWE-862

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

17 Jun 2026 10:27Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.15.3
EPSS0.00993
SSVC
39