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Vulnerability · Published Oct 28, 2026 · Assigned by VulDB

CVE-2026-118272a2ui-project a2ui Error data-context.ts DataContext.dispatchExpressionError information exposure

Medium 4.3

In plain English

A medium-severity information exposure in a2ui from a2ui-project. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.2%top 83.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
a2ui-project a2ui 0.10.00.10.10.10.20.10.30.10.40.10.50.10.6

Weakness: CWE-209, CWE-200 · Vector: 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

References