Vulnerability · Published Oct 28, 2026 · Assigned by VulDB
CVE-2026-118276a2ui-project a2ui Parser expression_parser.ts formatString resource consumption
Low 3.5
In plain English
A low-severity uncontrolled resource consumption 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 15% of all known vulnerabilities).
Official description
A vulnerability was determined in a2ui-project a2ui up to 0.10.6. This vulnerability affects the function formatString of the file renderers/web_core/src/v0_9/basic_catalog/expressions/expression_parser.ts of the component Parser. This manipulation causes resource consumption. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. Patch name: 1f71d1aac1b145ef57c7526f9e0cff316f5934e2. Applying a patch is the recommended action to fix this issue.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| a2ui-project | a2ui | 0.10.00.10.10.10.20.10.30.10.40.10.50.10.6 |
Weakness: CWE-400, CWE-404 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
References
- VDB-427574 | a2ui-project a2ui Parser expression_parser.ts formatString resource consumption vdb-entry, technical-description
- VDB-427574 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-118276 | CVE Analysis and Report third-party-advisory
- Submit #1015139 | a2ui-project a2ui <=0.10.6 CWE-400 third-party-advisory
- https://github.com/a2ui-project/a2ui/issues/2389 exploit, issue-tracking
- https://github.com/a2ui-project/a2ui/pull/2433 issue-tracking, patch
- https://github.com/a2ui-project/a2ui/commit/1f71d1aac1b145ef57c7526f9e0cff316f5934e2 patch
- https://github.com/a2ui-project/a2ui/ product