Threat intelligence dashboard
CVE-2026-101101medium

ag-ui-protocol ag-ui Middleware convert.ts JSON.parse uncaught exception

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.

Risk score

5.3

CVSS 4.0

Vendor
ag-ui-protocol
Product
ag-ui
CWE
CWE-248
Published
Sep 28, 2026
Updated
Sep 28, 2026
CISA KEV
Not flagged

Affected products and versions

ag-ui

ag-ui-protocol

Version / rangeStatusType
2026-09-07affected—
2026-09-08unaffected—

Technical metrics

5.3

CVSS 4.0

Severity
medium
Source
VulDB
Vector
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

4.3

CVSS 3.1

Severity
medium
Source
VulDB
Vector
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

4.3

CVSS 3.0

Severity
medium
Source
VulDB
Vector
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

4.0

CVSS 2.0

Severity
medium
Source
VulDB
Vector
AV:N/AC:L/Au:S/C:N/I:N/A:P/E:ND/RL:OF/RC:C