CVE-2025-54599: events and groups — Exploit

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.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-284 CWE-284

Affected Products

Vendor	Product	Versions
bevy	events_and_groups	< 2025-07-22

References

Exploits

https://gist.github.com/deep1chil/558e8da919690a634bec684e7c4d0ffe https://www.youtube.com/watch?v=wbmIvA09Ra8

Other References

https://bevy.com/b/events-and-groups

Frequently Asked Questions

What is CVE-2025-54599? +

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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-54599? +

CVE-2025-54599 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-54599? +

CVE-2025-54599 affects products from bevy, specifically: events_and_groups. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-54599? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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