Resource exhaustion in A2ui-Project A2ui
CVE-2026-118275
A vulnerability was found in a2ui-project a2ui up to 0.10.6. This affects the function DataContext.resolveSignal of the file renderers/web_core/src/v0_9/rendering/data-context.ts of the component Resolver. The manipulation results in resource consumption. The attack can be launched remotely. The exploit has been made public and could be used. The patch is identified as c76e17272e52c12c6dcf68905b1df978c39e9aa5. It is advisable to implement a patch to correct this issue.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.004 (37.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.0% 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/427573 (technical-description, vdb-entry)
- vuldb.com/vuln/427573/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-118275 (third-party-advisory)
- vuldb.com/submit/1015137 (third-party-advisory)
- github.com/a2ui-project/a2ui/issues/2388 (issue-tracking, exploit)
- github.com/a2ui-project/a2ui/pull/2432 (issue-tracking, patch)
- github.com/a2ui-project/a2ui/commit/c76e17272e52c12c6dcf68905b1df978c39e9aa5 (patch)
- github.com/a2ui-project/a2ui/ (product)
Frequently asked questions
- What is CVE-2026-118275?
- CVE-2026-118275 is a medium-severity vulnerability in A2ui-Project A2ui, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2026-10-28.
- How severe is CVE-2026-118275?
- Medium severity. CVSS v3 base score is 5.3 out of 10.