CVE-2026-118276

a2ui-project a2ui Parser expression_parser.ts formatString resource consumption

State: Published
Severity: 5.1 Medium
Published: Oct 28, 2026
Updated: Oct 28, 2026
Reserved: Oct 27, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	5.1 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	3.5 Low	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	VulDB
3.0	3.5 Low	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C	VulDB
2.0	4.0 Medium	AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-400 Resource Consumption
CWE-404 Denial of Service

Affected Products

Product	Versions
a2uia2ui-project	0.10.0Affected 0.10.1Affected 0.10.2Affected 0.10.3Affected 0.10.4Affected 0.10.5Affected 0.10.6Affected

References

VDB-427574 | a2ui-project a2ui Parser expression_parser.ts formatString resource consumptionvdb-entrytechnical-description
VDB-427574 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
CVE-2026-118276 | CVE Analysis and Reportthird-party-advisory
Submit #1015139 | a2ui-project a2ui <=0.10.6 CWE-400third-party-advisory
https://github.com/a2ui-project/a2ui/issues/2389exploitissue-tracking
https://github.com/a2ui-project/a2ui/pull/2433issue-trackingpatch
https://github.com/a2ui-project/a2ui/commit/1f71d1aac1b145ef57c7526f9e0cff316f5934e2patch
https://github.com/a2ui-project/a2ui/product

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