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Advisories

Vikunja 0.18.0 before 2.7.1 Privilege Escalation via Account Deletion

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Severity
high
Date
Affecting

  • vikunja >= 0.18.0, < 2.7.1

CWE
  • CWE-269 Improper Privilege Management
CVSS
7.1
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
Credit
lissy93, dagadjno
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.

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