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    CVE-2026-44295

    protobufjs-cli is the command line add-on for protobuf.js. Prior to 1.2.1 and 2.0.2, pbjs static code generation could emit unsafe JavaScript identifiers derived from schema-controlled names. When generating static JavaScript from a crafted schema or JSON descriptor, certain namespace, enum, service, or derived full names could be written into the generated output without sufficient sanitization. This vulnerability is fixed in 1.2.1 and 2.0.2.

    Published:May 13, 2026
    Last Modified:May 19, 2026
    EPS:May 13, 2026
    EPSS Score:0.00033
    CVSS Score:8.7

    Affected Products

    Vendor
    Protobuf
    Product
    Protobuf
    Vendor
    Protobufjs Project
    Product
    Protobufjs-cli

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-59876 (CVSS 4.8) — protobufjs compiles protobuf definitions into JavaScript (JS) functions. From 8.2.0 until 8.6.5, the protobufj…
    CVE-2026-59877 (CVSS 5.3) — protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.6.5 and 8.6.6, protobufjs …
    CVE-2026-54269 (CVSS 5.3) — protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 8.6.0 and 7.6.3, protobufjs …
    CVE-2026-48712 (CVSS 7.5) — protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.6.1 and 8.4.1, protobufjs …
    CVE-2026-54270 (CVSS 5.3) — protobufjs compiles protobuf definitions into JavaScript (JS) functions. From 8.2.0 to 8.4.2, protobufjs prese…
    CVE-2026-42290 (CVSS 7.8) — protobufjs-cli is the command line add-on for protobuf.js. Prior to 1.2.1 and 2.0.2, pbts invoked JSDoc by bui…
    CVE-2026-45740 (CVSS 5.3) — protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.8 and 8.2.0, protobufjs …
    CVE-2026-44294 (CVSS 5.3) — protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.6 and 8.0.2, protobufjs …
    CVE-2026-44293 (CVSS 7.7) — protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.6 and 8.0.2, protobufjs …
    CVE-2026-44292 (CVSS 5.3) — protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.6 and 8.0.2, protobufjs …

    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