CVE-2026-120236

medium

Description

A vulnerability was detected in ag-ui-protocol ag-ui up to 0.0.58. Affected by this vulnerability is an unknown functionality of the component Transport Decoder Handler. The manipulation results in improper input validation. The attack may be launched remotely. The exploit is now public and may be used. The patch is identified as 660182b973a44b8eda5484b14b88eb9cc251edc4. It is suggested to upgrade the affected component.

References

https://vuldb.com/vuln/429595/cti

https://vuldb.com/vuln/429595

https://vuldb.com/submit/1015178

https://vuldb.com/cve/CVE-2026-120236

https://github.com/ag-ui-protocol/ag-ui/releases/tag/release/2026-10-30

https://github.com/ag-ui-protocol/ag-ui/pull/2774

https://github.com/ag-ui-protocol/ag-ui/issues/2524

https://github.com/ag-ui-protocol/ag-ui/commit/660182b973a44b8eda5484b14b88eb9cc251edc4

https://github.com/ag-ui-protocol/ag-ui/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-114875

Details

Source: Mitre, NVD

Published: 2026-11-01

Updated: 2026-11-02

Risk Information

CVSS v2

Base Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 6.3

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Severity: Medium

CVSS v4

Base Score: 5.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00267