CVE-2025-54599

Name: CVE-2025-54599
Creator: NVD / NIST
Published: 2025-09-02T16:15:39.12+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.39%

Last modified Jun 17, 2026

CVE-2025-54599 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.39%

30.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Bevy	Events And Groups	<= 2025-07-22

References

https://bevy.com/b/events-and-groupsProduct
https://gist.github.com/deep1chil/558e8da919690a634bec684e7c4d0ffeExploit, Third Party Advisory
https://www.youtube.com/watch?v=wbmIvA09Ra8Exploit

Timeline

Published: Sep 2, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-54599?

How severe is CVE-2025-54599?

CVE-2025-54599 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2025-54599?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-54599?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST