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The vulnerability of the update_message_by_id() function in the Open WebUI AI-based web interface allows a hacker to gain access to read, modify, or delete data.
🗓️ 28 May 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 1 Views
| Reporter | Title | Published | Views | Family All 15 |
|---|---|---|---|---|
 | CVE-2026-45385 | 15 May 202620:29 | – | attackerkb |
 | CVE-2026-45385 | 10 May 202619:29 | – | circl |
 | Open WebUI 安全漏洞 | 15 May 202600:00 | – | cnnvd |
 | CVE-2026-45385 | 15 May 202620:29 | – | cve |
 | CVE-2026-45385 Open WebUI: An IDOR vulnerability exists in the update_message_by_id API endpoint | 15 May 202620:29 | – | cvelist |
 | EUVD-2026-30626 | 15 May 202620:29 | – | euvd |
 | Open WebUI has an IDOR vulnerability in the update_message_by_id API endpoint | 14 May 202620:25 | – | github |
 | CVE-2026-45385 | 15 May 202621:16 | – | nvd |
 | GHSA-WWHQ-CX22-F7VV Open WebUI has an IDOR vulnerability in the update_message_by_id API endpoint | 14 May 202620:25 | – | osv |
 | PT-2026-41187 | 14 May 202600:00 | – | ptsecurity |
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28 May 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 24
CVSS 34.3
EPSS0.00204