CVE-2026-28189: Participants Database · Unauthenticated Arbitrary File Deletion
Source GCVE Database
Not known to be exploited · CVSS 7.4 High.
Data as of 12 Nov 2026, 23:24 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 37% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 13 Aug 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 13 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Roland BarkerParticipants Database | Affected
| Fixed in– |
AI-suggested
Until a fix is available, restrict access to the vulnerable application and monitor for suspicious activity. Avoid exposing the Participants Database service to untrusted networks.
Description
An unauthenticated arbitrary file deletion vulnerability exists in Participants Database versions up to and including 2.7.8.4. This vulnerability allows an attacker without authentication to delete files on the affected system. The issue is classified under CWE-22 (Improper Limitation of a Pathname to a Restricted Directory), indicating a path traversal or similar flaw. The vulnerability has a high severity rating with a CVSS score of 7.4, primarily impacting availability.