# CVE-2026-120234: CVE-2026-120234

Status: published. Published: 2026-11-01. Updated: 2026-11-01.

A weakness has been identified in ag-ui-protocol ag-ui up to 0.0.58. This impacts the function e.text of the component HTTP Transport. Executing a manipulation can lead to resource consumption. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks. The pull request to fix this issue awaits acceptance.

## Remediation

No remediation reported in collected sources

## Affected products and versions

Not reported in collected sources.

## Severity and prioritization

- CVSS 4.0: 2.1 (low); 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:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X; source: NVD: cna@vuldb.com

- CVSS 3.1: 4.3 (medium); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L; source: NVD: cna@vuldb.com

- CVSS 2.0: 4 (medium); AV:N/AC:L/Au:S/C:N/I:N/A:P; source: NVD: cna@vuldb.com

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-400

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://github.com/ag-ui-protocol/ag-ui/ (cna@vuldb.com)

- https://github.com/ag-ui-protocol/ag-ui/issues/2521 (cna@vuldb.com)

- https://github.com/ag-ui-protocol/ag-ui/pull/2698 (cna@vuldb.com)

- https://vuldb.com/cve/CVE-2026-120234 (cna@vuldb.com)

- https://vuldb.com/submit/1015146 (cna@vuldb.com)

- https://vuldb.com/vuln/429593 (cna@vuldb.com)

- https://vuldb.com/vuln/429593/cti (cna@vuldb.com)

## Provenance

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-120234; retrieved 2026-11-02; source updated 2026-11-01

Revision: 02150a209f492e04bd9ac91f44ac28c98822e2be70d332a99bf897e20d33b499

Canonical: https://y2.dev/cve/CVE-2026-120234