| Reporter | Title | Published | Views | Family All 14 |
|---|---|---|---|---|
 | CVE-2026-70493 | 4 Aug 202620:56 | – | attackerkb |
 | CVE-2026-70493 | 4 Aug 202622:35 | – | circl |
 | CVE-2026-70493 Open WebUI: Any authenticated user can stall a worker via a knowledge-search pattern that backtracks catastrophically | 4 Aug 202620:56 | – | cvelist |
 | EUVD-2026-52925 | 4 Aug 202620:56 | – | euvd |
 | Open WebUI: Any authenticated user can stall a worker via a knowledge-search pattern that backtracks catastrophically | 4 Aug 202620:56 | – | github |
 | CVE-2026-70493 | 4 Aug 202621:16 | – | nvd |
 | GHSA-2F54-P244-32Q6 Open WebUI: Any authenticated user can stall a worker via a knowledge-search pattern that backtracks catastrophically | 4 Aug 202620:56 | – | osv |
| PYSEC-2026-3637 Open WebUI: Any authenticated user can stall a worker via a knowledge-search pattern that backtracks catastrophically | 10 Aug 202610:43 | – | osv |
 | PT-2026-67861 | 4 Aug 202600:00 | – | ptsecurity |
| PT-2026-76470 | 10 Aug 202600:00 | – | ptsecurity |
10
Node
[
{
"vendor": "open-webui",
"product": "open-webui",
"versions": [
{
"version": ">= 0.9.6, < 0.11.0",
"status": "affected"
}
]
}
]| Parameter | Position | Path | Description | CWE |
|---|---|---|---|---|
| pattern | path | backend/open_webui/tools/knowledge_fs.py | Regex pattern processing vulnerability in knowledge search: crafted patterns containing regex metacharacters are compiled with Python's backtracking engine and applied to file contents without a time limit, enabling CPU starvation/DoS on the affected worker. | CWE-1333 |
| pattern | path | backend/open_webui/tools/builtin.py | Same DoS vector exists in the built-in search path when user-provided regex patterns are evaluated against knowledge files, using backtracking regex engine without limits. | CWE-1333 |
Data
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18 Sep 2026 14:45Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.16.5
EPSS0.00592
SSVC