MEDIUMCVSS v3.1 5.4Vulnerability
CVE-2026-111921
Vikunja 0.13.0 before 2.7.0 contains an incorrect authorization vulnerability that allows project members with Write permission to delete admin-tier link shares because the delete permission check reads an unloaded share object. Attackers can send DELETE requests to the v1 or v2 projects shares endpoints with sequential share IDs to revoke admin links and invalidate existing share sessions.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-10-20T21:14:08.448323+00:00
- Epss score
- 0.00176
- Cvss severity
- MEDIUM
- Cvss score
- 5.4
- Retrieved at
- 2026-10-21T01:24:48+00:00
- Last source
- FIRST EPSS
- Score
- 5.4
- Cvss version
- 3.1
- Cve id
- CVE-2026-111921
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
- First seen by Signal
- 2026-10-18T13:39:03+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
- Published at
- 2026-10-17T19:16:34.820
- Last modified
- 2026-10-19T21:14:14.150
- Epss percentile
- 0.06767
Related Entities (1)
HAS_WEAKNESS (1)
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