Medium · CVSS 5.3CVE-2026-118271

a2ui-project a2ui data-context Resolver data-context.ts resource consumptionCVE-2026-118271

Answer in brief

CVE-2026-118271 records a Medium severity (CVSS 5.3) vulnerability in a2ui-project a2ui data-context Resolver data-context.ts resource consumption. The current sources do not mark it as known exploited. The current feed maps a2ui-project/a2ui (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 28, 2026Updated Oct 28, 2026Source checked Oct 28, 2026First seen by HOL Oct 28, 2026Material review Oct 28, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 5.3
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

CVSS is 5.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps a2ui-project/a2ui (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
a2ui-project/a2uigeneric	0.10.0 \|\| 0.10.1 \|\| 0.10.2 \|\| 0.10.3 \|\| 0.10.4 \|\| 0.10.5 \|\| 0.10.6	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for a2ui-project/a2ui.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Oct 28, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Oct 28, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Oct 28, 2026

Sources and claim methodology

Upstream source description

A security vulnerability has been detected in a2ui-project a2ui up to 0.10.6. This impacts an unknown function of the file renderers/web_core/src/v0_9/rendering/data-context.ts of the component data-context Resolver. Such manipulation leads to resource consumption. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. The name of the patch is eb314e14fabd29cfb4a74e1202afc4fe2081efa2. Applying a patch is advised to resolve this issue.

Quoted source text, attributed separately from HOL analysis.