Lucene search
+L

CVE-2026-45121: Incorrect Authorization

🗓️ 18 Aug 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Authenticated users can access inaccessible calendar titles in MyBB before 1.8.40.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-45121
18 Aug 202615:45
–attackerkb
cve
CVE
CVE-2026-45121
18 Aug 202615:45
–cve
cvelist
Cvelist
CVE-2026-45121 MyBB: Insufficient permission check for calendar select
18 Aug 202615:45
–cvelist
euvd
EUVD
EUVD-2026-61053
18 Aug 202615:45
–euvd
nvd
NVD
CVE-2026-45121
18 Aug 202616:17
–nvd
ptsecurity
Positive Technologies
PT-2026-77175
18 Aug 202600:00
–ptsecurity
vulnrichment
Vulnrichment
CVE-2026-45121 MyBB: Insufficient permission check for calendar select
18 Aug 202615:45
–vulnrichment

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

08 Sep 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.3
EPSS0.00342
SSVC
0