CVE-2026-120236

    Dashboard / Vulnerabilities / CVE-2026-120236

    CVE-2026-120236

    Published: 1 Nov 2026Last Modified: 2 Nov 2026

    Summary: ag-ui-protocol ag-ui Transport Decoder input validation

    Details: 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://github.com/CVEProject/cvelistV5/tree/main/cves/2026/120xxx/CVE-2026-120236.json, https://github.com/ag-ui-protocol/ag-ui/, https://github.com/ag-ui-protocol/ag-ui/commit/660182b973a44b8eda5484b14b88eb9cc251edc4, https://github.com/ag-ui-protocol/ag-ui/issues/2524, https://github.com/ag-ui-protocol/ag-ui/pull/2774, https://github.com/ag-ui-protocol/ag-ui/releases/tag/release/2026-10-30, https://nvd.nist.gov/vuln/detail/CVE-2026-120236, https://vuldb.com/cve/CVE-2026-120236, https://vuldb.com/submit/1015178, https://vuldb.com/vuln/429595, https://vuldb.com/vuln/429595/cti

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 5c72d35bb1ce101135fd19602de3b6df25cf98a4
    Fixed -None

    Affected versions

    0.0.1
    0.0.2
    0.0.3
    0.0.32
    0.0.33
    0.0.34
    0.0.35
    0.0.36
    0.0.38
    0.0.39
    0.0.4
    0.0.40
    0.0.42
    0.0.43
    0.0.44
    0.0.45
    0.0.47
    0.0.5
    0.0.54
    0.0.55
    0.0.57
    0.0.6
    0.0.8

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High