CVE-2026-123520
Last modified
CVE-2026-123520 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. Vikunja from 0.18.0 before 2.7.1 contains a privilege escalation vulnerability that allows team owners to gain admin or ownership of read-only shared projects by deleting accounts. Attackers can create a bot, add it to their team, and delete it through the bots endpoint, triggering ensureProjectAdminUser to promote read-only shares and lock out the real owner..
Description
Vikunja from 0.18.0 before 2.7.1 contains a privilege escalation vulnerability that allows team owners to gain admin or ownership of read-only shared projects by deleting accounts. Attackers can create a bot, add it to their team, and delete it through the bots endpoint, triggering ensureProjectAdminUser to promote read-only shares and lock out the real owner.
Metrics
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-123520?
How severe is CVE-2026-123520?
How do I fix CVE-2026-123520?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-123515Vikunja before 2.7.1 contains a client-side request forgery …4.1
- CVE-2026-123516Vikunja before 2.7.1 contains a resource exhaustion vulnerab…4.3
- CVE-2026-123517Vikunja before 2.7.1 contains an information disclosure vuln…4.3
- CVE-2026-123518Vikunja before 2.7.1 contains an incorrect authorization vul…4.3
- CVE-2026-123519Vikunja before 2.7.1 contains a denial of service vulnerabil…6.5
- CVE-2026-12352This vulnerability allows an unauthenticated actor to bypass…5.9
- CVE-2026-123521Vikunja before 2.7.1 contains an improper restriction of exc…5.9
- CVE-2026-123522Vikunja before 2.7.1 contains an authorization bypass vulner…7.1
- CVE-2026-123523Vikunja before 2.7.1 contains an uncontrolled resource consu…6.5
- CVE-2026-123524Vikunja from 0.23.0 before 2.7.1 contains an information dis…5.7
- CVE-2026-123525Vikunja before 2.7.1 allocates memory without limits in its …6.5
- CVE-2026-123526Vikunja before 2.7.1 contains a mass assignment vulnerabilit…5.4
Are you affected by CVE-2026-123520?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST