fossasia eventyay-exhibition through commit f68888e contains an authorization bypass vulnerability in the exhibitor
Source GCVE Database
Not known to be exploited · CVSS 2.3 Low.
Data as of 5 Nov 2026, 19:48 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.
AI-suggested
Since the vulnerability requires specific conditions (lead scanning enabled and knowledge of another event's pseudonymization ID or order secret), restricting access to these identifiers and monitoring API usage may reduce risk. Users should monitor the vendor's advisories for any forthcoming fixes and apply them promptly once available.
Description
An authorization bypass vulnerability exists in the exhibitor lead creation API of fossasia eventyay-exhibition as of commit f68888e. This flaw allows exhibitors with lead scanning enabled to access attendee data from other organizers by submitting another event's pseudonymization ID or order secret and specifying that organizer in the URL. The exposed data includes attendee names, emails, addresses, and answers. The vulnerability has a low CVSS score of 3.1, indicating limited impact.
References
- nvd.nist.gov/vuln/detail/CVE-2026-122325 (opens in a new tab)
- 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 (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)
- vulncheck.com/advisories/eventyay-exhibition-through-commit-f68888e-cross-event-attendee-data-disclosure-via-lead-creation-api (opens in a new tab)