TI-2026-81673 Aliases CVE-2026-118275 GHSA-485f-gc3c-ph93

Uncontrolled resource consumption in a2ui Resolver

HIGH 70CWE-400Published 2026-10-28 · Updated 2026-10-28

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · Low
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-400.

Summary

The a2ui-project a2ui versions 0.10.0, 0.10.1, 0.10.2, 0.10.3, 0.10.4, 0.10.5 and 0.10.6 are affected. A flaw in the DataContext.resolveSignal function of the Resolver component leads to uncontrolled resource consumption (CWE-400). A remote attacker without privileges or user interaction can manipulate input to consume resources, which impacts availability. A public exploit has been released and is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00428 37th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
a2ui-project	a2ui	0.10.0; 0.10.1; 0.10.2; 0.10.3; 0.10.4; 0.10.5; 0.10.6	—	No fix listed	CNA

a2ui Vendora2ui-project Affected 0.10.0; 0.10.1; 0.10.2; 0.10.3; 0.10.4; 0.10.5; 0.10.6 Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:a2ui-project:a2ui::::::::	—	—	—

cpe:2.3:a:a2ui-project:a2ui:*:*:*:*:*:*:*:* Versions — — ·—

Remediation

The sources list no fixed version for a2ui. The patch is identified as commit c76e17272e52c12c6dcf68905b1df978c39e9aa5.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

2026-10-28 Threatist record created from CVE-2026-118275
2026-10-28 Alias added: GHSA-485f-gc3c-ph93
2026-10-28 CISA SSVC decision points changed
2026-10-28 Priority changed: MEDIUM → HIGH

References

Exploit 1

https://github.com/a2ui-project/a2ui/issues/2388

Patch 2

Other 1

https://github.com/a2ui-project/a2ui/

TI-2026-81667 Uncontrolled resource consumption in a2ui Binder component CVSS 4.0MEDIUM 5.3
TI-2026-81657 Resource consumption in a2ui-project a2ui DataModel.set CVSS 4.0MEDIUM 5.3
TI-2026-81656 Error message exposes information in a2ui-project a2ui CVSS 4.0MEDIUM 5.3
TI-2026-81638 Uncontrolled resource consumption in a2ui data-context Resolver CVSS 4.0MEDIUM 5.3
TI-2026-81674 Uncontrolled resource consumption in a2ui expression parser CVSS 4.0MEDIUM 5.1
TI-2026-62216 a2ui-project a2ui Basic Catalog safe_regex.ts redos CVSS 4.0MEDIUM 6.9

See all 14 →

Sources

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