Resource exhaustion in A2ui-Project A2ui
CVE-2026-118273
A flaw has been found in a2ui-project a2ui up to 0.10.6. Affected by this vulnerability is the function DataModel.set of the file renderers/web_core/src/v0_9/state/data-model.ts. Executing a manipulation can lead to resource consumption. It is possible to launch the attack remotely. The exploit has been published and may be used. This patch is called 82789191ce551f4d7a095d273773fb24bd764c9d. A patch should be applied to remediate this issue.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.003 (23.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
The 30-day trend appears once there are two daily scores.
Affected products
- A2ui-Project A2ui — versions 0.10.0, 0.10.1, 0.10.2
Weakness classification (CWE)
References
- vuldb.com/vuln/427571 (technical-description, vdb-entry)
- vuldb.com/vuln/427571/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-118273 (third-party-advisory)
- vuldb.com/submit/1015117 (third-party-advisory)
- github.com/a2ui-project/a2ui/issues/2386 (issue-tracking, exploit)
- github.com/a2ui-project/a2ui/pull/2430 (issue-tracking, patch)
- github.com/a2ui-project/a2ui/commit/82789191ce551f4d7a095d273773fb24bd764c9d (patch)
- github.com/a2ui-project/a2ui/ (product)
Frequently asked questions
- What is CVE-2026-118273?
- CVE-2026-118273 is a medium-severity vulnerability in A2ui-Project A2ui, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2026-10-28.
- How severe is CVE-2026-118273?
- Medium severity. CVSS v3 base score is 4.3 out of 10.