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Protobufjs Project vulnerabilities

We track 11 vulnerabilities in Protobufjs Project products across 2 products. 11 are rated high or critical, and none are known to be exploited. The most recent was published on July 8, 2026.

11vulnerabilities
2critical
9high
0exploited
8.2average CVSS score

Latest Protobufjs Project vulnerabilities

  • 7.5 High severity

    protobuf.js: Loop with Unreachable Exit Condition

    CVE-2026-59877Protobufjs

    protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.6.5 and 8.6.6, protobufjs parsed option names by advancing through schema tokens until reaching an = token without checking for end of input, so a crafted .proto schema that op

  • 7.5 High severity

    protobuf.js: Uncontrolled Recursion

    CVE-2026-48712Protobufjs

    protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.6.1 and 8.4.1, protobufjs could recurse without a depth limit while converting decoded messages to plain objects or JSON. This affected generated toObject() conversion and the

  • 7.5 High severity

    protobuf.js: Uncontrolled Recursion

    CVE-2026-45740Protobufjs

    protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.8 and 8.2.0, protobufjs could recurse without a depth limit while expanding nested JSON descriptors through Root.fromJSON() and Namespace.addJSON(). A crafted JSON descriptor

  • 8.7 High severity

    protobuf.js: Improper Control of Generation of Code

    CVE-2026-44295Protobufjs

    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 desc

  • 8.8 High severity

    protobuf.js: Improper Control of Generation of Code

    CVE-2026-44293Protobufjs

    protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.6 and 8.0.2, protobufjs generated JavaScript for toObject conversion could include an unsafe expression derived from a schema-controlled bytes field default value. A crafted

  • 8.1 High severity

    protobuf.js: Improper Control of Generation of Code

    CVE-2026-44291Protobufjs

    protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.6 and 8.0.2, protobufjs used plain objects with inherited prototypes for internal type lookup tables used by generated encode and decode functions. If Object.prototype had al

  • 7.5 High severity

    protobuf.js: Improperly Controlled Modification of Object Prototype Attributes

    CVE-2026-44290Protobufjs

    protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.6 and 8.0.2, protobufjs allowed certain schema option paths to traverse through inherited object properties while applying options. A crafted protobuf schema or JSON descript

  • 7.5 High severity

    protobuf.js: Uncontrolled Recursion

    CVE-2026-44289Protobufjs

    protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.6 and 8.0.2, protobufjs could recurse without a depth limit while decoding nested protobuf data. This affected both skipping unknown group fields and generated decoding of ne

  • 7.8 High severity

    protobuf.js: Improper Neutralization of Special Elements used in an OS Command

    CVE-2026-42290Protobufjs

    protobufjs-cli is the command line add-on for protobuf.js. Prior to 1.2.1 and 2.0.2, pbts invoked JSDoc by building a shell command string from input file paths and executing it through child_process.exec. File paths containing shell metacharacters could there

  • 9.8 Critical severity

    protobuf.js: Improper Control of Generation of Code

    CVE-2026-41242Protobufjs

    protobufjs compiles protobuf definitions into JavaScript (JS) functions. In versions prior to 8.0.1, 7.5.5, and 6.11.6, attackers can inject arbitrary code in the "type" fields of protobuf definitions, which will then execute during object decoding using that

  • 9.8 Critical severity

    Protobufjs: Improperly Controlled Modification of Object Prototype Attributes

    CVE-2023-36665Protobufjs ProjectEPSS 1.7%

    "protobuf.js (aka protobufjs) 6.10.0 through 7.x before 7.2.5 allows Prototype Pollution, a different vulnerability than CVE-2022-25878. A user-controlled protobuf message can be used by an attacker to pollute the prototype of Object.prototype by adding and ov