High (7.5) in citeum opencti. EPSS 1.0% chance of exploitation in the next 30 days. Fixed in pycti 5.3.0.
In OpenCTI through 5.2.4, a broken access control vulnerability has been identified in the profile endpoint. An attacker can abuse the identified vulnerability in order to arbitrarily change their registered e-mail address as well as their API key, even though such action is not possible through the interface, legitimately.
Severity
CVSS 3.1
7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
1.0% chance of exploitation in the next 30 days; higher than 62% of CVEs (scores of 2026-10-31)