CVE-2026-118271: medium-severity vulnerability in a2ui-project a2ui
a2ui-project a2ui data-context Resolver data-context.ts resource consumption
Published · Updated
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 0.3%
A security vulnerability has been detected in a2ui-project a2ui up to 0.10.6. This impacts an unknown function of the file renderers/web_core/src/v0_9/rendering/data-context.ts of the component data-context Resolver. Such manipulation leads to resource consumption. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. The name of the patch is eb314e14fabd29cfb4a74e1202afc4fe2081efa2. Applying a patch is advised to resolve this issue.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
a2ui-project · a2uipublic PoCs found — 1
cve_referencegithub.com/a2ui-project/a2ui/issues/2384unverified⚠ 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/eb314e14fabd29cfb4a74e1202afc4fe2081efa2https://github.com/a2ui-project/a2ui/issues/2384https://github.com/a2ui-project/a2ui/pull/2417https://vuldb.com/cve/CVE-2026-118271https://vuldb.com/submit/1015115https://vuldb.com/vuln/427569https://vuldb.com/vuln/427569/cti