PyPI/open-webui CVE-2026-59220: medium 6.5, EPSS 0.57%

Open WebUI: ReDoS in skill-mention regexes causes whole-instance DoS on default config

Action: Upgrade open-webui to 0.10.0 or later.

pip install open-webui==0.10.0

Affected

Fixed versions

Sources

• osv: PYSEC-2026-3596
• https://github.com/open-webui/open-webui/security/advisories/GHSA-ffpj-xv5c-p3gw
• https://nvd.nist.gov/vuln/detail/CVE-2026-59220
• https://github.com/open-webui/open-webui/commit/61a26722155ec6ee1b629cf8dfcf975098c18331
• https://github.com/open-webui/open-webui
• https://github.com/open-webui/open-webui/releases/tag/v0.10.0
• https://pypi.org/project/open-webui
• https://github.com/advisories/GHSA-ffpj-xv5c-p3gw

CVE-2026-59220 · published 2026-08-04T11:34:42.517179Z · modified 2026-08-04T14:30:28.720082476Z · JSON