CVE.org (no NVD analysis yet)· CNA VulDB

CVE-2026-118273: a2ui-project a2ui data-model.ts DataModel.set resource consumption

LowCVSS 2.1 · v4.0—No exploit No fix recorded

Noroxi assessment

Priority: Monitor (action score 8/100)

The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
Probability of exploitation in the next 30 days: 0.31% (FIRST EPSS).
Anyone who can reach it over the internet can trigger it. A low-privileged account is enough. No user action is required. No special conditions are required; it is repeatable.
No fixed version is recorded, but the references include a patch (commit or PR) link.
Severity is disputed: the assigning authority (CNA) scores it 5.3, NVD 2.1.

Low priority for now. See the fix and affected versions sections below.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

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.

Denial of service

EUVD-2026-111566

Published: Oct 28, 2026
Updated: Nov 2, 2026
EPSS: 0.3% · 24th percentile
CWE: CWE-400

Report tools

JSON

Action score

Monitor

Low priority for now.

CVSS: 8 / 40 · 2.1 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 0 / 30 · 0.3%

CISA SSVC decision

Exploitation: proof of concept
Automatable: no
Technical impact: partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD: —
CNA · VulDB: 5.3; NVD has not scored this yet; the score shown is the CNA’s.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

Not in KEV: no record of exploitation in the wild
No public exploit code on record
No fixed version yet

If any of these changes, we'll tell you in the daily email digest.

Is your version affected? Check it

Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (VulDB). Independent of NVD's CPE analysis and usually ahead of it.

a2ui-project a2ui
- 0.10.0, 0.10.1, 0.10.2, 0.10.3, 0.10.4, 0.10.5, 0.10.6affected

Same product

a2ui-project: all records

Other highest-scoring records for the same primary product.

CVE-2026-92215a2ui-project a2ui FileResolver file_resolver.py httpx.get server-side request forgery
27Monitor
CVE-2026-92114a2ui-project a2ui Basic Catalog safe_regex.ts redos
27Monitor
CVE-2026-118275a2ui-project a2ui Resolver data-context.ts DataContext.resolveSignal resource consumption
22Monitor

Published before and after this one in the same product

← EarlierCVE-2026-118271Oct 28, 2026 · a2ui-project a2ui data-context Resolver data-context.ts resource consumption
8Monitor
← EarlierCVE-2026-118272Oct 28, 2026 · a2ui-project a2ui Error data-context.ts DataContext.dispatchExpressionError information exposure
8Monitor
Later →CVE-2026-118274Oct 28, 2026 · a2ui-project a2ui Binder generic-binder.ts resource consumption
8Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

ez-lbz (VulDB User)reporter

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

CVE-2026-9211443 days aparta2ui-project a2ui Basic Catalog safe_regex.ts redos
27Monitor
CVE-2026-1182750 days aparta2ui-project a2ui Resolver data-context.ts DataContext.resolveSignal resource consumption
22Monitor
CVE-2026-9235642 days aparta2ui-project a2ui Update Components basic_functions.ts updateComponents resource consumption
21Monitor
CVE-2026-1182710 days aparta2ui-project a2ui data-context Resolver data-context.ts resource consumption
8Monitor
CVE-2026-1182740 days aparta2ui-project a2ui Binder generic-binder.ts resource consumption
8Monitor
CVE-2026-1182760 days aparta2ui-project a2ui Parser expression_parser.ts formatString resource consumption
8Monitor

Not on record for this CVE: public bounty program.

Technical details

Attack conditions

Anyone who can reach it over the internet can trigger it.
A low-privileged account is enough.
No user action is required.
No special conditions are required; it is repeatable.

If successful

Confidentiality
Integrity
Availability

Attack vector: Network
Attack complexity: Low
Privileges required: Low
User interaction: None
Scope: X

Weakness class (CWE)

CWE-400 · Uncontrolled Resource Consumption

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

nvd-secondary

Root cause

Code that parses nested structures sets no depth or size limit. A small input can turn into a disproportionate processing load.

The bug in code

The whole CWE-400 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

1function expand(node) {
2  return node.children.map(expand);
3}

Fixed

1const MAX_DEPTH = 32;
2function expand(node, depth = 0) {
3  if (depth > MAX_DEPTH) throw new Error("too deep");
4  return node.children.map((c) => expand(c, depth + 1));
5}

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Attack patterns (CAPEC)

ATT&CK techniques

Endpoint Denial of ServiceT1499

Change log

SSVC exploitation— → pocNov 2, 2026, 10:07 PM UTC
Exploit maturity— → noneOct 28, 2026, 4:07 AM UTC
CVSS5.3 → 2.1Oct 28, 2026, 4:07 AM UTC
Severitymedium → lowOct 28, 2026, 4:07 AM UTC

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References

github.com/a2ui-project/a2ui/

Show all references (7 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records