CVE-2026-123502
Published:November 08, 2026
Updated:November 09, 2026
Vikunja before 2.7.1 contains an information exposure vulnerability that allows log readers to obtain link-share hashes because the request logger records the raw URI of the /shares/:share/auth route. Attackers with access to Vikunja or reverse proxy access logs can reuse non-expiring, non-password-protected share hashes to obtain a project JWT with read, write or admin permission.
Affected Packages
https://github.com/go-vikunja/vikunja.git (GITHUB):
Affected version(s) >=v0.8 <v2.7.1 || >=v1.0.0-rc0 <v2.7.1 || >=v2.0.0 <v2.7.1Fix Suggestion:
Update to version v2.7.1Related Resources (4)
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Contact UsCVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.2
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Insertion of Sensitive Information into Log File
EPSS
Base Score:
0.23