CVE-2026-118271
a2ui-project a2ui data-context Resolver data-context.ts resource consumption
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.
Fixes and workarounds
Fix
The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.
Source: CNA: VulDBFix
The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.
Source: CNA: VulDBAffected products and versions
| Product | Versions | Authority |
|---|---|---|
| a2ui a2ui-project |
0.10.0 (affected) 0.10.1 (affected) 0.10.2 (affected) 0.10.3 (affected) 0.10.4 (affected) 0.10.5 (affected) 0.10.6 (affected) |
CNA: VulDB |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 5.3 medium |
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 | CNA: VulDB |
| 3.1 / 4.3 medium |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | CNA: VulDB |
| 3.0 / 4.3 medium |
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | CNA: VulDB |
| 2.0 / 4.0 medium |
AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C | CNA: VulDB |
Exploit evidence
- https://github.com/a2ui-project/a2ui/issues/2384
exploit · CNA: VulDB
References
- https://vuldb.com/vuln/427569CNA: VulDB · vdb-entry
- https://vuldb.com/vuln/427569/ctiCNA: VulDB · signature, permissions-required
- https://vuldb.com/cve/CVE-2026-118271CNA: VulDB · third-party-advisory
- https://vuldb.com/submit/1015115CNA: VulDB · third-party-advisory
- https://github.com/a2ui-project/a2ui/issues/2384CNA: VulDB · exploit, issue-tracking
- https://github.com/a2ui-project/a2ui/pull/2417CNA: VulDB · issue-tracking, patch
- https://github.com/a2ui-project/a2ui/commit/eb314e14fabd29cfb4a74e1202afc4fe2081efa2CNA: VulDB · patch
- https://github.com/a2ui-project/a2ui/CNA: VulDB · product
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