Lucene search
+L

CVE-2026-91981

🗓️ 15 Sep 2026 15:18:25Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

Vikunja versions before 2.6.0 fail to properly validate link-share tokens in the v2 API user search endpoints. Attackers with a read-only share link can enumerate project users via the projects endpoint and confirm arbitrary usernames exist via th...

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-91981 Vikunja before 2.6.0 User Enumeration via v2 API
15 Sep 202615:18
cvelist
euvd
EUVD
EUVD-2026-78652
15 Sep 202615:18
euvd
nvd
NVD
CVE-2026-91981
15 Sep 202616:17
nvd
Vulners
CNA
Node
go-vikunjavikunjaRange02.6.0
[
  {
    "vendor": "go-vikunja",
    "product": "vikunja",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:golang/code.vikunja.io/api",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "2.6.0"
      },
      {
        "version": "2.6.0",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  }
]

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

15 Sep 2026 16:17Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.14.3
CVSS 45.3
6