What is CVE-2026-92214?

CVE-2026-92214 is a low-severity vulnerability in A2ui-Project A2ui, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-09-16.

How severe is CVE-2026-92214?

Low severity. CVSS v3 base score is 3.5 out of 10.

RCE in A2ui-Project A2ui

CVE-2026-92214

A flaw has been found in a2ui-project a2ui up to 0.10.7. Affected is an unknown function of the file samples/community/client/angular/projects/a2a-chat-canvas/src/lib/services/sanitizer-markdown-renderer-service.ts of the component a2a-chat-canvas. Executing a manipulation can lead to cross site scripting. The attack may be performed from remote.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-09-16 · last modified 2026-09-22.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (28.4th percentile), scored 2026-10-31.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

A2ui-Project A2ui — versions 0.10.0, 0.10.1, 0.10.2

Weakness classification (CWE)

References

vuldb.com/vuln/404459 (vdb-entry)
vuldb.com/vuln/404459/cti (signature, permissions-required)
vuldb.com/cve/CVE-2026-92214 (third-party-advisory)
vuldb.com/submit/934108 (third-party-advisory)
github.com/a2ui-project/a2ui/issues/2294 (issue-tracking)
github.com/a2ui-project/a2ui/ (product)

Frequently asked questions

What is CVE-2026-92214?: CVE-2026-92214 is a low-severity vulnerability in A2ui-Project A2ui, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-09-16.
How severe is CVE-2026-92214?: Low severity. CVSS v3 base score is 3.5 out of 10.