Critical severity9.8NVD Advisory· Published Apr 18, 2026· Updated Apr 23, 2026
CVE-2026-41242
CVE-2026-41242
Description
protobufjs compiles protobuf definitions into JavaScript (JS) functions. In versions prior to 8.0.1 and 7.5.5, attackers can inject arbitrary code in the "type" fields of protobuf definitions, which will then execute during object decoding using that definition. Versions 8.0.1 and 7.5.5 patch the issue.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
protobufjsnpm | >= 8.0.0, < 8.0.1 | 8.0.1 |
protobufjsnpm | < 7.5.5 | 7.5.5 |
Affected products
43cpe:2.3:a:protobufjs_project:protobufjs:8.0.0:*:*:*:*:node.js:*:*+ 1 more
- cpe:2.3:a:protobufjs_project:protobufjs:8.0.0:*:*:*:*:node.js:*:*
- cpe:2.3:a:protobufjs_project:protobufjs:*:*:*:*:*:node.js:*:*range: <7.5.5
- osv-coords41 versionspkg:apk/chainguard/gemini-clipkg:apk/chainguard/jitsucom-jitsu-consolepkg:apk/chainguard/kibana-8.17pkg:apk/chainguard/kibana-8.17-bitnamipkg:apk/chainguard/kibana-8.17-iamguardedpkg:apk/chainguard/kibana-8.19pkg:apk/chainguard/kibana-8.19-bitnamipkg:apk/chainguard/kibana-8.19-iamguardedpkg:apk/chainguard/kibana-9.0pkg:apk/chainguard/kibana-9.0-bitnamipkg:apk/chainguard/kibana-9.0-iamguardedpkg:apk/chainguard/kibana-9.1pkg:apk/chainguard/kibana-9.1-iamguardedpkg:apk/chainguard/kibana-9.2pkg:apk/chainguard/kibana-9.2-iamguardedpkg:apk/chainguard/kibana-9.3pkg:apk/chainguard/kibana-9.3-iamguardedpkg:apk/chainguard/kubeflow-centraldashboardpkg:apk/chainguard/langfuse-2pkg:apk/chainguard/langfuse-2-workerpkg:apk/chainguard/langfuse-3pkg:apk/chainguard/langfuse-3-workerpkg:apk/chainguard/langfuse-fips-2pkg:apk/chainguard/langfuse-fips-2-workerpkg:apk/chainguard/langfuse-fips-3pkg:apk/chainguard/langfuse-fips-3-workerpkg:apk/chainguard/librechatpkg:apk/chainguard/opentelemetry-auto-instrumentations-nodepkg:apk/chainguard/pulumi-language-nodejspkg:apk/chainguard/renovatepkg:apk/chainguard/vitess-22pkg:apk/chainguard/vitess-23pkg:apk/wolfi/jitsucom-jitsu-consolepkg:apk/wolfi/kubeflow-centraldashboardpkg:apk/wolfi/langfuse-3pkg:apk/wolfi/langfuse-3-workerpkg:apk/wolfi/pulumi-language-nodejspkg:apk/wolfi/renovatepkg:apk/wolfi/vitess-22pkg:apk/wolfi/vitess-23pkg:npm/protobufjs
< 0.44.0-r0+ 40 more
- (no CPE)range: < 0.44.0-r0
- (no CPE)range: < 2.11.0-r22
- (no CPE)range: < 8.17.10-r18
- (no CPE)range: < 8.17.10-r18
- (no CPE)range: < 8.17.10-r18
- (no CPE)range: < 8.19.14-r3
- (no CPE)range: < 8.19.14-r3
- (no CPE)range: < 8.19.14-r3
- (no CPE)range: < 9.0.8-r20
- (no CPE)range: < 9.0.8-r20
- (no CPE)range: < 9.0.8-r20
- (no CPE)range: < 9.1.10-r13
- (no CPE)range: < 9.1.10-r13
- (no CPE)range: < 9.2.7-r6
- (no CPE)range: < 9.2.7-r6
- (no CPE)range: < 9.3.3-r5
- (no CPE)range: < 9.3.3-r5
- (no CPE)range: < 1.10.0-r20
- (no CPE)range: < 2.95.12-r21
- (no CPE)range: < 2.95.12-r21
- (no CPE)range: < 3.164.0-r6
- (no CPE)range: < 3.164.0-r6
- (no CPE)range: < 2.95.12-r23
- (no CPE)range: < 2.95.12-r23
- (no CPE)range: < 3.164.0-r5
- (no CPE)range: < 3.164.0-r5
- (no CPE)range: < 0.8.4-r5
- (no CPE)range: < 0.73.0-r0
- (no CPE)range: < 3.229.0-r5
- (no CPE)range: < 43.138.3-r1
- (no CPE)range: < 22.0.4-r11
- (no CPE)range: < 23.0.3-r15
- (no CPE)range: < 2.11.0-r22
- (no CPE)range: < 1.10.0-r20
- (no CPE)range: < 3.164.0-r6
- (no CPE)range: < 3.164.0-r6
- (no CPE)range: < 3.229.0-r5
- (no CPE)range: < 43.138.3-r1
- (no CPE)range: < 22.0.4-r11
- (no CPE)range: < 23.0.3-r15
- (no CPE)range: >= 8.0.0, < 8.0.1
Patches
Vulnerability mechanics
References
7- github.com/protobufjs/protobuf.js/commit/535df444ac060243722ac5d672db205e5c531d75nvdPatchWEB
- github.com/protobufjs/protobuf.js/commit/ff7b2afef8754837cc6dc64c864cd111ab477956nvdPatchWEB
- github.com/protobufjs/protobuf.js/security/advisories/GHSA-xq3m-2v4x-88ggnvdExploitVendor AdvisoryWEB
- github.com/advisories/GHSA-xq3m-2v4x-88ggghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-41242ghsaADVISORY
- github.com/protobufjs/protobuf.js/releases/tag/protobufjs-v7.5.5nvdProductRelease NotesWEB
- github.com/protobufjs/protobuf.js/releases/tag/protobufjs-v8.0.1nvdProductRelease NotesWEB
News mentions
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