CVE-2026-118272: medium-severity vulnerability in a2ui-project a2ui
a2ui-project a2ui Error data-context.ts DataContext.dispatchExpressionError information exposure
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 5.3epss 0.2%
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.
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
Affected products
a2ui-project · a2uipublic PoCs found — 1
cve_referencegithub.com/a2ui-project/a2ui/issues/2385unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — a2ui-project a2ui
In the same product, most dangerous first.
CVE-2026-92114MEDIUMa2ui-project a2ui Basic Catalog safe_regex.ts redosEPSS 0.7%CVE-2026-92356MEDIUMa2ui-project a2ui Update Components basic_functions.ts updateComponents resource consumptionEPSS 0.5%CVE-2026-92215MEDIUMa2ui-project a2ui FileResolver file_resolver.py httpx.get server-side request forgeryEPSS 0.5%CVE-2026-92216MEDIUMa2ui-project a2ui Binder generic-binder.ts openUrl redirectEPSS 0.5%CVE-2026-92217MEDIUMa2ui-project a2ui Message Parsing message-processor.ts processMessages dynamically-determined object attributesEPSS 0.4%CVE-2026-118275MEDIUMa2ui-project a2ui Resolver data-context.ts DataContext.resolveSignal resource consumptionEPSS 0.4%
References
https://github.com/a2ui-project/a2ui/https://github.com/a2ui-project/a2ui/commit/8f149a1c7b0ce1fa8e93ac3adfa5fda960faeb01https://github.com/a2ui-project/a2ui/issues/2385https://github.com/a2ui-project/a2ui/pull/2429https://vuldb.com/cve/CVE-2026-118272https://vuldb.com/submit/1015116https://vuldb.com/vuln/427570https://vuldb.com/vuln/427570/cti