CVE-2026-118272: Information Disclosure (CVSS 4.3)

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.

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CVSS v3.1 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness Type (CWE)

CWE-200 CWE-200

CWE-209 CWE-209

References

Other References

https://github.com/a2ui-project/a2ui/ https://github.com/a2ui-project/a2ui/commit/8f149a1c7b0ce1fa8e93ac3adfa5fda960faeb01 https://github.com/a2ui-project/a2ui/issues/2385 https://github.com/a2ui-project/a2ui/pull/2429 https://vuldb.com/cve/CVE-2026-118272 https://vuldb.com/submit/1015116 https://vuldb.com/vuln/427570 https://vuldb.com/vuln/427570/cti

Frequently Asked Questions

What is CVE-2026-118272? +

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. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-118272? +

CVE-2026-118272 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2026-118272? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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