CVE-2026-101101
ag-ui-protocol ag-ui Middleware convert.ts JSON.parse uncaught exception
- State
- Published
- Severity
- 5.3 Medium
- Published
- Sep 28, 2026
- Updated
- Sep 28, 2026
- Reserved
- Sep 28, 2026
Description
A vulnerability has been found in ag-ui-protocol ag-ui up to 2026-09-07. This issue affects the function JSON.parse of the file legacy/convert.ts of the component Middleware. The manipulation leads to uncaught exception. Remote exploitation of the attack is possible. Upgrading to version 2026-09-08 is capable of addressing this issue. The identifier of the patch is 30f8c794d5b73df5c610153043db502b2cc106cc. Upgrading the affected component is recommended.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 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:X | 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:X/RL:O/RC:C | 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:X/RL:O/RC:C | VulDB |
| 2.0 | 4.0 Medium | AV:N/AC:L/Au:S/C:N/I:N/A:P/E:ND/RL:OF/RC:C | VulDB |
Weaknesses
- CWE-248 Uncaught Exception
Affected Products
| Product | Versions |
|---|---|
ag-uiag-ui-protocol |
|
References
- VDB-410976 | ag-ui-protocol ag-ui Middleware convert.ts JSON.parse uncaught exceptionvdb-entrytechnical-description
- VDB-410976 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-101101 | CVE Analysis and Reportthird-party-advisory
- Submit #934981 | ag-ui-protocol ag-ui v1.0 CWE-248third-party-advisory
- https://github.com/ag-ui-protocol/ag-ui/issues/2444issue-tracking
- https://github.com/ag-ui-protocol/ag-ui/pull/2493issue-trackingpatch
- https://github.com/ag-ui-protocol/ag-ui/commit/30f8c794d5b73df5c610153043db502b2cc106ccpatch
- https://github.com/ag-ui-protocol/ag-ui/releases/tag/release/2026-09-08patch
- https://github.com/ag-ui-protocol/ag-ui/product
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