CVE-2026-115762

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    CVE-2026-115762

    Published: 4 Nov 2026Last Modified: 5 Nov 2026

    Summary: draw.io: Prototype pollution in GraphML (mxGraphMlCodec)

    Details: draw.io is a configurable diagramming and whiteboarding application. Prior to 31.1.5, the GraphML decoder contains a prototype-pollution vulnerability. Attacker-controlled GraphML reference keys can address inherited object properties, including prototype objects, and the decoder can then assign attacker-controlled attributes to those objects. Importing a malicious GraphML file can trigger client-side prototype pollution. In the advisory-supported cross-site scripting chain, the editor is opened in Trello mode and the user invokes the Trello integration after the import, allowing the polluted state to execute script in the draw.io origin; an existing Trello connection is not required. This vulnerability is fixed in 31.1.5.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/115xxx/CVE-2026-115762.json, https://github.com/jgraph/drawio/security/advisories/GHSA-vvpv-f297-2ghp, https://nvd.nist.gov/vuln/detail/CVE-2026-115762, https://github.com/jgraph/drawio/commit/3b4210678207f3880888969ee53c9fe4580104ab

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -3b4210678207f3880888969ee53c9fe4580104ab

    Affected versions

    v31.1.2

    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
    CVE-2026-115762 | CVE-DB