CVE-2026-122325: fossasia eventyay-exhibition · Insecure Direct Object Reference
Affects fossasia eventyay-exhibitionSource CVE Database V5
Not known to be exploited · CVSS 2.3 Low.
Data as of 5 Nov 2026, 15:34 UTC
Thin evidence
One scorer or none| CNA (VulnCheck) | CVSS 4.0 | 2.3 |
|---|---|---|
| CNA (VulnCheck) | CVSS 3.1 | 3.1 |
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 5 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| fossasiaeventyay-exhibition | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
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.
References
- github.com/fossasia/eventyay-exhibition/issues/343 (opens in a new tab)
- github.com/fossasia/eventyay-exhibition/pull/383 (opens in a new tab)
- github.com/fossasia/eventyay-exhibition/blob/f68888e312c220588ddc13f8bbc4bab927b5e530/exhibition/api.py (opens in a new tab)
- hackmd.io/@hieuPenguinnn/eventyay-exhibition-cross-event-lead-idor (opens in a new tab)
- github.com/fossasia/eventyay-exhibition (opens in a new tab)
- vulncheck.com/advisories/eventyay-exhibition-through-commit-f68888e-cross-event-attendee-data-disclosure-via-lead-creation-api (opens in a new tab)