CVE-2026-122325 (CVSS 3.1)

Description

fossasia eventyay-exhibition through commit f68888e contains an authorization bypass vulnerability in the exhibitor lead creation API that allows exhibitors to access other organizers' attendee data. Exhibitors with lead scanning enabled can submit another event's pseudonymization id or order secret while naming that organizer in the URL to retrieve attendee names, emails, addresses and answers.

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CVSS v3.1 Score

3.1

LOW

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

EPSS — Exploit Prediction

0.0022

Probability of exploitation

0.13%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-639 CWE-639

References

Other References

https://github.com/fossasia/eventyay-exhibition https://github.com/fossasia/eventyay-exhibition/blob/f68888e312c220588ddc13f8bbc4bab927b5e530/exhibition/api.py#L399-L470 https://github.com/fossasia/eventyay-exhibition/issues/343 https://github.com/fossasia/eventyay-exhibition/pull/383 https://hackmd.io/@hieuPenguinnn/eventyay-exhibition-cross-event-lead-idor https://www.vulncheck.com/advisories/eventyay-exhibition-through-commit-f68888e-cross-event-attendee-data-disclosure-via-lead-creation-api

Frequently Asked Questions

What is CVE-2026-122325? +

fossasia eventyay-exhibition through commit f68888e contains an authorization bypass vulnerability in the exhibitor lead creation API that allows exhibitors to access other organizers' attendee data. Exhibitors with lead scanning enabled can submit another event's pseudonymization id or order secret while naming that organizer in the URL to retrieve attendee names, emails, addresses and answers. It has a CVSS v3.1 base score of 3.1 (LOW).

How severe is CVE-2026-122325? +

CVE-2026-122325 has a CVSS v3.1 score of 3.1 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0022, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-122325? +

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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