CVE-2026-101101CWE-248

CVE-2026-101101

Medium · published September 28, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
27.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
5.3 · 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
EPSS
0.00354 · 27.8th percentile
Weakness
CWE-248 · Uncaught Exception
Published
2026-09-28T22:17Z
References (9)
https://github.com/ag-ui-protocol/ag-ui/ · [email protected]https://github.com/ag-ui-protocol/ag-ui/commit/30f8c794d5b73df5c610153043db502b2cc106cc · [email protected]https://github.com/ag-ui-protocol/ag-ui/issues/2444 · [email protected]https://github.com/ag-ui-protocol/ag-ui/pull/2493 · [email protected]https://github.com/ag-ui-protocol/ag-ui/releases/tag/release/2026-09-08 · [email protected]https://vuldb.com/cve/CVE-2026-101101 · [email protected]https://vuldb.com/submit/934981 · [email protected]https://vuldb.com/vuln/410976 · [email protected]https://vuldb.com/vuln/410976/cti · [email protected]
EPSS history
Timeline
  • 30 SEP 03:24Z
    EPSS moved — → 0%
    epss
  • 28 SEP 17:45Z
    ag-ui-protocol ag-ui Middleware convert.ts JSON.parse uncaught exception
    cvelistv5