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No exploitation reportedFix available

CVE-2026-44289

No exploitation reported by the sources we read.

  • Published2026-05-13
  • Fixed in8.0.2 · 7.5.6
  • WeaknessCWE-606 · CWE-674

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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 nested message fields. A crafted protobuf binary payload could cause the JavaScript call stack to be exhausted during decoding. This vulnerability is fixed in 7.5.6 and 8.0.2.

Timeline

dates in UTC
  1. 2026-05-1316:16CVE publishedNVD

Versions per branch

NVD · OSV
Protobufjs project protobufjs
BranchAffectedFixed in
8.0≥ 8.0.0, < 8.0.28.0.2
7.5< 7.5.67.5.6

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As GitHub_M, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • protobufjs protobuf.js
    Affected
    • = < 7.5.6no fix stated
    • = >= 8.0.0, < 8.0.2no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-05-13

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • @rootio/protobufjsRoot:npmall versions · fixed in 7.4.0-root.io.2
  • @rootio/protobufjsRoot:npmall versions · fixed in 6.11.2-root.io.1
  • @rootio/protobufjsRoot:npmall versions · fixed in 6.11.4-root.io.1
  • @rootio/protobufjsRoot:npmall versions · fixed in 6.11.4-root.io.2
  • @rootio/protobufjsRoot:npmall versions · fixed in 6.11.4-root.io.3
  • @rootio/protobufjsRoot:npmall versions · fixed in 6.11.4-root.io.4
  • @rootio/protobufjsRoot:npmall versions · fixed in 6.11.4-root.io.5
  • @rootio/protobufjsRoot:npmall versions · fixed in 6.11.6-root.io.1

117 more package ranges on OSV.dev

Vendor advisories

  • CVE-2026-44289 Red Hat Product Security33 products fixed · 7 known affected

    protobufjs: protobufjs: Denial of Service via uncontrolled recursion in protobuf decoding

    openshift-pipelines/pipelines-console-plugin-rhel8 as a component of OpenShift Pipelines · openshift-pipelines/pipelines-console-plugin-rhel9 as a component of OpenShift Pipelines · rhceph/alloy-rhel10 as a component of Red Hat Ceph Storage 9 · +4 more

  • RHSA-2026:84734 Red Hat Product Security4 products fixed

    Red Hat Security Advisory: RHOAI 3.4.5 - Red Hat OpenShift AI

  • RHSA-2026:60520 Red Hat Product Security28 products fixed

    Red Hat Security Advisory: RHOAI 3.4.4 - Red Hat OpenShift AI

  • RHSA-2026:42815 Red Hat Product Security1 product fixed

    Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.2 security update

Full record on NVD

Fix

  1. Update Protobufjs project protobufjs to 8.0.2 · 7.5.6
  2. Vendor fix Red Hat Product Security RHSA-2026:84734 · 4 productsFor Red Hat OpenShift AI 3.4.5 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this errata update: https://docs.redhat.com/en/documentation/red_hat_openshift_ai/
  3. Vendor fix Red Hat Product Security RHSA-2026:60520 · 28 productsFor Red Hat OpenShift AI 3.4.4 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this errata update: https://docs.redhat.com/en/documentation/red_hat_openshift_ai/
  4. Vendor fix Red Hat Product Security RHSA-2026:42815 · 1 productFor more about Ansible plugins for Red Hat Developer Hub, see References links
  5. Workaround from the vendor Red Hat Product Security RHSA-2026:84734 · 321 productsAvoid decoding untrusted protobuf binary data with affected versions. If immediate upgrade is not possible, reject excessively nested messages at an outer protocol boundary where feasible, or isolate protobuf decoding in a process that can be safely restarted.
  6. No fix available, says the vendor Red Hat Product Security CVE-2026-44289 · 1 productFix deferred
  7. No fix available, says the vendor Red Hat Product Security CVE-2026-44289 · 4 productsAffected

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVE recordread 2026-10-23
  • CISA-ADPSSVC decisionnone2026-05-13
  • CNACVSS 3.17.5known since 2026-10-23
  • CNAweakness (CWE)CWE-606, CWE-674known since 2026-10-23
  • FIRST EPSSEPSS score0.6 %2026-11-09
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryHIGH2026-05-12

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2026-05-13
Last Modified
2026-08-28
NVD status
Modified
GitHub Advisory
GHSA-685m-2w69-288q

Frequently asked questions

What is CVE-2026-44289?

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 nested message fields. A crafted protobuf binary payload could cause the JavaScript call stack to be exhausted during decoding. This vulnerability is fixed in 7.5.6 and 8.0.2.

Is CVE-2026-44289 actively exploited?

Active exploitation of CVE-2026-44289 has not been confirmed. Its EPSS score was 0.6% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-44289?

CVE-2026-44289 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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