CVE-2026-118272

a2ui-project a2ui Error data-context.ts DataContext.dispatchExpressionError information exposure

State: Published
Severity: 5.3 Medium
Published: Oct 28, 2026
Updated: Oct 28, 2026
Reserved: Oct 27, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P	VulDB
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C	VulDB
3.0	4.3 Medium	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C	VulDB
2.0	4.0 Medium	AV:N/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-209 Information Exposure Through Error Message
CWE-200 Information Disclosure

Affected Products

Product	Versions
a2uia2ui-project	0.10.0Affected 0.10.1Affected 0.10.2Affected 0.10.3Affected 0.10.4Affected 0.10.5Affected 0.10.6Affected

References

VDB-427570 | a2ui-project a2ui Error data-context.ts DataContext.dispatchExpressionError information exposurevdb-entrytechnical-description
VDB-427570 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
CVE-2026-118272 | CVE Analysis and Reportthird-party-advisory
Submit #1015116 | a2ui-project a2ui <=0.10.6 CWE-209third-party-advisory
https://github.com/a2ui-project/a2ui/issues/2385exploitissue-tracking
https://github.com/a2ui-project/a2ui/pull/2429issue-trackingpatch
https://github.com/a2ui-project/a2ui/commit/8f149a1c7b0ce1fa8e93ac3adfa5fda960faeb01patch
https://github.com/a2ui-project/a2ui/product

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