TI-2026-81656 Aliases CVE-2026-118272 GHSA-hxwv-qhw4-49vx

Error message exposes information in a2ui-project a2ui

MEDIUM 57CWE-200Published 2026-10-28 · Updated 2026-10-28

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-200.

Summary

a2ui-project a2ui versions 0.10.0 through 0.10.6 are affected. The DataContext.dispatchExpressionError function in the error handler exposes sensitive information in its error messages (CWE-209). A remote attacker with low privileges can trigger the exposure by manipulating input. The exploit is publicly available and may be used.

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

Description from the CNA

A vulnerability was detected in a2ui-project a2ui up to 0.10.6. Affected is the function DataContext.dispatchExpressionError of the file renderers/web_core/src/v0_9/rendering/data-context.ts of the component Error Handler. Performing a manipulation results in information exposure through error message. It is possible to initiate the attack remotely. The exploit is now public and may be used. The patch is named 8f149a1c7b0ce1fa8e93ac3adfa5fda960faeb01. It is suggested to install a patch to address this issue.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00248 16th 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: No
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 source description names patch 8f149a1c7b0ce1fa8e93ac3adfa5fda960faeb01 and suggests installing it.

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

Timeline

2026-10-28 Threatist record created from CVE-2026-118272
2026-10-28 Alias added: GHSA-hxwv-qhw4-49vx
2026-10-28 CISA SSVC decision points changed
2026-10-28 Priority changed: LOW → MEDIUM

References

Exploit 1

https://github.com/a2ui-project/a2ui/issues/2385

Patch 2

Other 1

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

TI-2026-81673 Uncontrolled resource consumption in a2ui Resolver CVSS 4.0MEDIUM 6.9
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-2026-81638 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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