CVE-2026-70486

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.38% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 31.6% of scored records. A rank, not a probability.

NVD base score

5.4 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

NVD analysis status

Analyzed. NVD last modified this record on 2026-09-18.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-08-04 20:01Z2 MO AGO

Last updated

2026-08-05 14:29Z2 MO AGO

Reserved

2026-08-04

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 8.2)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
• CWE-1021Improper Restriction of Rendered UI Layers or FramesBase

Data version

5.2

Document digest

c2475ae09b1d21de5ae805653c146512928f3b008a48a9051bbbabc73485de79

• github.comhttps://github.com/open-webui/open-webui/security/advisories/GHSA-3xpf-xq7r-v8c5x_refsource_CONFIRM
• github.comhttps://github.com/open-webui/open-webui/pull/26907x_refsource_MISC
• github.comhttps://github.com/open-webui/open-webui/commit/65a5fad7b97db99d490d81f4e0860282c3a4543cx_refsource_MISC
• github.comhttps://github.com/open-webui/open-webui/releases/tag/v0.11.0x_refsource_MISC