CVE-2026-59219 json
Open WebUI: Realtime endpoints accept Redis-revoked JWTs after signout/backchannel logout
published 2026-07-09 4 mo ago modified 2026-08-04 3 mo ago also GHSA-855v-hq7w-jmjw , PYSEC-2026-3595 , EUVD-2026-42625
- cvss
- 7.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 46%
- public exploits
- 0
- none known
Summary
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 before 0.10.0 with Redis configured, Socket.IO connect, user-join, join-channels, join-note, and the terminal websocket first-message authentication used decode_token without the Redis-backed is_valid_token revocation check, allowing revoked JWTs to continue authenticating realtime connections. This issue is fixed in version 0.10.0.
Patch / fix
- pypi open-webui 0.10.0
- openwebui open_webui 0.10.0
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 4 mo ago
Exploit prediction
0.55% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/open-webui/open-webui/security/advisories/GHSA-855v-hq7w-jmjw referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N |
| GitHub | 3.1 | 7.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N |
| OSV | 3.1 | 7.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | open-webui | >=0.9.0, <0.10.0 |
0.10.0 |
Affected products
- open-webui open-webui
Classification
- Weakness
-
- CWE-613 DEPRECATED: Insufficient Session Expiration
References
-
github.com
/open-webui/open-webui/commit/33b91bd8ae8a100a5a306c91441a7d0b422c4cde
web, patch
-
github.com
/open-webui/open-webui/security/advisories/GHSA-855v-hq7w-jmjw
exploit, web, mitigation, vendor-advisory
-
github.com
/open-webui/open-webui/releases/tag/v0.10.0
web, product, release-notes
-
nvd.nist.gov
/vuln/detail/CVE-2026-59219
advisory
-
github.com
/open-webui/open-webui
package
-
pypi.org
/project/open-webui
package
-
github.com
/advisories/GHSA-855v-hq7w-jmjw
advisory
Sources
- CVE List CVE-2026-59219
- GitHub Advisory GHSA-855v-hq7w-jmjw
- NVD CVE-2026-59219
- OSV PYSEC-2026-3595
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.