CVE-2026-48712 protobufjs: Denial of service through unbounded Any expansion during JSON conversion

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 custom google.protobuf.Any JSON conversio...

CVE-2026-54270 protobufjs: Memory amplification from preserved unknown fields in binary decode

protobufjs compiles protobuf definitions into JavaScript JS functions. From 8.2.0 to 8.4.2, protobufjs preserved unknown wire elements in message.$unknowns and did not provide a decode-time option to discard unknown fields before retaining them. A crafted protobuf payload containing many unknown...

CVE-2026-54270

protobufjs compiles protobuf definitions into JavaScript JS functions. From 8.2.0 to 8.4.2, protobufjs preserved unknown wire elements in message.$unknowns and did not provide a decode-time option to discard unknown fields before retaining them. A crafted protobuf payload containing many unknown...

EUVD-2026-38305

protobufjs compiles protobuf definitions into JavaScript JS functions. From 8.2.0 to 8.4.2, protobufjs preserved unknown wire elements in message.$unknowns and did not provide a decode-time option to discard unknown fields before retaining them. A crafted protobuf payload containing many unknown...

CVE-2026-54270

CVE-2026-54270 concerns protobufjs, where versions 8.2.0–8.4.2 preserved unknown wire elements in message.$unknowns during binary decode and lacked a decode-time option to discard them. This could allow crafted protobuf payloads with many unknown fields to cause decoded messages to retain memory ...

@agentbadge/mcp (0.1.9), @agentbadge/passport (>=0.1.8, <=0.2.1) +75 more potentially affected by CVE-2026-54270 via protobufjs (>=8.2.0, <=8.4.2)

protobufjs NPM version =8.2.0, =0.1.8, =0.1.1, =0.1.1, =1.16.0, =0.0.4, =0.0.4, =0.0.4, =0.0.4, =0.1.0, =0.1.1 - @hiero-ledger/sdk 2.85.0 - @identikey/metacoding 0.2.0 - @iflow-mcp/diegonogueiradev-mcp-graph-workflow 5.1.5 and more Source cves: CVE-2026-54270 Source advisory: MEND:CVE-2026-54270...

CVE-2026-54270 protobufjs: Memory amplification from preserved unknown fields in binary decode

protobufjs compiles protobuf definitions into JavaScript JS functions. From 8.2.0 to 8.4.2, protobufjs preserved unknown wire elements in message.$unknowns and did not provide a decode-time option to discard unknown fields before retaining them. A crafted protobuf payload containing many unknown...

CVE-2026-54270 protobufjs: Memory amplification from preserved unknown fields in binary decode

protobufjs compiles protobuf definitions into JavaScript JS functions. From 8.2.0 to 8.4.2, protobufjs preserved unknown wire elements in message.$unknowns and did not provide a decode-time option to discard unknown fields before retaining them. A crafted protobuf payload containing many unknown...

CVE-2026-54271

protobufjs-cli is the command line add-on for protobuf.js. Prior to 1.3.2 and 2.5.0, a previous fix for unsafe name handling in pbjs static / static-module code generation was incomplete. Affected versions of protobufjs-cli could still emit unsafe JavaScript references when generating static outp...

CVE-2026-54271 protobufjs-cli: Code injection in pbjs static output from crafted JSON descriptor names

protobufjs-cli is the command line add-on for protobuf.js. Prior to 1.3.2 and 2.5.0, a previous fix for unsafe name handling in pbjs static / static-module code generation was incomplete. Affected versions of protobufjs-cli could still emit unsafe JavaScript references when generating static outp...

CVE-2026-54271 protobufjs-cli: Code injection in pbjs static output from crafted JSON descriptor names

protobufjs-cli is the command line add-on for protobuf.js. Prior to 1.3.2 and 2.5.0, a previous fix for unsafe name handling in pbjs static / static-module code generation was incomplete. Affected versions of protobufjs-cli could still emit unsafe JavaScript references when generating static outp...

CVE-2026-54271 protobufjs-cli: Code injection in pbjs static output from crafted JSON descriptor names

protobufjs-cli is the command line add-on for protobuf.js. Prior to 1.3.2 and 2.5.0, a previous fix for unsafe name handling in pbjs static / static-module code generation was incomplete. Affected versions of protobufjs-cli could still emit unsafe JavaScript references when generating static outp...

10minions-engine (>=0.0.1, <=0.0.4), @1amageek/document-propagator (>=0.10.1, <=1.0.0) +1527 more potentially affected by CVE-2026-54271 via protobufjs-cli (>=1.0.0, <=1.2.2)

protobufjs-cli NPM version =1.0.0, =0.0.1, =0.10.1, =1.1.0, =0.4.0, =1.22.0, =6.2.36, =1.0.0-alpha.2, =1.8.0, =0.0.0-beta.0, =1.0.0, =1.0.1, =3.1.0 and more Source cves: CVE-2026-54271 Source advisory: MEND:CVE-2026-54271...

CVE-2026-54271

The CVE-2026-54271 entry concerns protobufjs-cli (pbjs) static code generation, where insecure handling of pre-parsed JSON descriptors could lead to attacker-controlled JavaScript in generated output. Concrete details across connected sources show that protobufjs-cli versions prior to the fixed r...

EUVD-2026-38304

protobufjs-cli is the command line add-on for protobuf.js. Prior to 1.3.2 and 2.5.0, a previous fix for unsafe name handling in pbjs static / static-module code generation was incomplete. Affected versions of protobufjs-cli could still emit unsafe JavaScript references when generating static outp...

Security Bulletin: Vulnerability in protobufjs. protobufjs affects IBM watsonx Assistant Cartridge and IBM watsonx Orchestrate with watsonx Assistant Cartridge.

Summary Potential vulnerability in protobufjs. protobufjs has been identified that affects IBM watsonx Assistant Cartridge and IBM watsonx Orchestrate with watsonx Assistant Cartridge - Assistant Builder Component. . The vulnerability have been addressed. Refer to details for additional...

CVE-2026-54270: Allocation of Resources Without Limits or Throttling

protobufjs compiles protobuf definitions into JavaScript JS functions. From 8.2.0 to 8.4.2, protobufjs preserved unknown wire elements in message.$unknowns and did not provide a decode-time option to discard unknown fields before retaining them. A crafted protobuf payload containing many unknown...

CVE-2026-54269: Uncontrolled Recursion

protobufjs compiles protobuf definitions into JavaScript JS functions. Prior to 8.6.0 and 7.6.3, protobufjs accepted certain schema-derived names that could collide with properties used by protobufjs runtime helpers. The known affected names are fields named hasOwnProperty, field or oneof names...

CVE-2026-54271: Improper Control of Generation of Code

protobufjs-cli is the command line add-on for protobuf.js. Prior to 1.3.2 and 2.5.0, a previous fix for unsafe name handling in pbjs static / static-module code generation was incomplete. Affected versions of protobufjs-cli could still emit unsafe JavaScript references when generating static outp...

CVE-2026-48712: Uncontrolled Recursion

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 custom google.protobuf.Any JSON conversio...