CVE-2026-76216: Vikunja: Link-share principal-type confusion enables cross-account team removal, bot takeover, and roster disclosure
HIGH
CVSS 7.5
EPSS 0.36%
Exploit Available
1 PoC
Published: October 9, 2026 | Last Modified: October 9, 2026
Description
Vikunja: Link-share principal-type confusion enables cross-account team removal, bot takeover, and roster disclosure
Ghostwire Analysis — What This Means Practically
Exploitation Probability (EPSS): Low — 0.36% (28th percentile)
Low exploitation probability based on current threat landscape data. Standard patching timeline is appropriate.
- High CVSS score indicates significant risk — exploitation could lead to substantial data exposure or system compromise.
- 1 proof-of-concept exploit available on GitHub. Public exploit code lowers the barrier for both researchers and attackers.
This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.
Proof-of-Concept Exploits (1)
References