CVE•Published 2026-10-12•Modified 2026-10-23•0 articles on news•4 live references•NVD data
CVE-2026-109299
Vulnerability data via NVD (ingested)
CVSS v3.1
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS percentile
30
Exploit Prediction Scoring System · top 70% of all CVEs
Description
Open WebUI from 0.9.0 before 0.11.4 contains a denial of service vulnerability that allows authenticated users with automations permission to stall the instance by submitting unsatisfiable recurrence rules. Attackers can repeatedly send rules like February 30th to the automations create or update endpoints, blocking the shared event loop for seconds per request.
Timeline
Published 2026-10-12
Modified 2026-10-23
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-109299Hosts Shodan has explicitly fingerprinted as vulnerable.
More intel sources (5)
Shodan report
vuln:CVE-2026-109299Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-109299Censys host search filtered to this CVE id.
grep.app
CVE-2026-109299Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-109299GitHub code search for direct mentions.
Google dork
"CVE-2026-109299" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-109299 on GitHub.
We haven't classified any articles referencing CVE-2026-109299 yet. The external references above still apply.