CVE-2026-101101
ag-ui-protocol ag-ui Middleware convert.ts JSON.parse uncaught exception
ag-ui-protocol ag-ui
CVSS
5.3MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.35%Chance of exploitation activity in the next 30 days, higher than 27% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
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.
Text from CVE List
Affected versions 2
- ag-uiaffected: 2026-09-07CVE List
- ag-uiunaffected: 2026-09-08CVE List
References 9
- github.com/ag-ui-protocol/ag-ui/pull/2493Fixvia CVE List
- github.com/ag-ui-protocol/ag-ui/commit/30f8c794d5b73df5c610153043db502b2cc106ccFixvia CVE List
- github.com/ag-ui-protocol/ag-ui/releases/tag/release/2026-09-08Fixvia CVE List
- vuldb.com/cve/CVE-2026-101101Advisoryvia CVE List
- vuldb.com/submit/934981Advisoryvia CVE List
- vuldb.com/vuln/410976Referencevia CVE List
- vuldb.com/vuln/410976/ctiReferencevia CVE List
- github.com/ag-ui-protocol/ag-ui/issues/2444Referencevia CVE List
- github.com/ag-ui-protocol/ag-ui/Referencevia CVE List