CVE-2025-54599

HIGH

Bevy Event Service < 2025-07-22 - Account Takeover via SSO Misconfiguration

Title source: llm
STIX 2.1

Description

The Bevy Event service through 2025-07-22, as used for eBay Seller Events and other activities, allows account takeover, if SSO is used, when a victim changes the email address that they have configured. To exploit this, an attacker would create their own account and perform an SSO login. The root cause of the issue is SSO misconfiguration.

References (3)

Core 3

Scores

CVSS v3 7.5
EPSS 0.0039
EPSS Percentile 30.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-284
Status published
Products (1)
bevy/events_and_groups < 2025-07-22
Published Sep 02, 2025
Tracked Since Feb 18, 2026