CVE-2026-123526
Last modified
CVE-2026-123526 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Vikunja before 2.7.1 contains a mass assignment vulnerability that allows any authenticated user to set the read-only external_id field through the team create and update endpoints. Attackers can tag a team they create or administer as externally managed, permanently blocking removal of every member and causing SSO members to be dropped from the team at their next login..
Description
Vikunja before 2.7.1 contains a mass assignment vulnerability that allows any authenticated user to set the read-only external_id field through the team create and update endpoints. Attackers can tag a team they create or administer as externally managed, permanently blocking removal of every member and causing SSO members to be dropped from the team at their next login.
Metrics
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-123526?
How severe is CVE-2026-123526?
How do I fix CVE-2026-123526?
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-2026-123520Vikunja from 0.18.0 before 2.7.1 contains a privilege escala…7.1
- 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-2026-123527Vikunja from 2.4.0 before 2.7.1 contains an authorization by…5.4
- CVE-2026-123528Vikunja before 2.7.1 contains an insufficient session expira…6.8
- CVE-2026-123529Vikunja before 2.7.1 contains a stored CSS injection vulnera…4.6
- CVE-2026-12353An unauthenticated attacker could trigger an Out of Memory c…5.3
- CVE-2026-123530Vikunja before 2.7.1 contains a missing authentication vulne…5.9
- CVE-2026-123531Vikunja from 1.0.0 before 2.7.1 contains an uncontrolled res…8.8
Are you affected by CVE-2026-123526?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
