CVE-2026-35337

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Source
https://cve.org/CVERecord?id=CVE-2026-35337
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-35337.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-35337
Aliases
Published
2026-04-13T09:11:06.193Z
Modified
2026-07-08T08:13:04.152822905Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
Apache Storm Client: RCE through Unsafe Deserialization via Kerberos TGT Credential Handling
Details

Deserialization of Untrusted Data vulnerability in Apache Storm.

Versions Affected: before 2.8.6.

Description: When processing topology credentials submitted via the Nimbus Thrift API, Storm deserializes the base64-encoded TGT blob using ObjectInputStream.readObject() without any class filtering or validation. An authenticated user with topology submission rights could supply a crafted serialized object in the "TGT" credential field, leading to remote code execution in both the Nimbus and Worker JVMs.

Mitigation: 2.x users should upgrade to 2.8.6.

Users who cannot upgrade immediately should monkey-patch an ObjectInputFilter allow-list to ClientAuthUtils.deserializeKerberosTicket() restricting deserialized classes to javax.security.auth.kerberos.KerberosTicket and its known dependencies. A guide on how to do this is available in the release notes of 2.8.6.

Credit: This issue was discovered by K.

Database specific 
{
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "fixed": "2.8.6"
                }
            ]
        },
        {
            "source": "DESCRIPTION",
            "extracted_events": [
                {
                    "fixed": "2.8.6"
                }
            ]
        }
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35337.json",
    "cna_assigner": "apache",
    "cwe_ids": [
        "CWE-502"
    ]
}
References

Affected packages

Git / github.com/apache/storm

Affected ranges

Type
GIT
Repo
https://github.com/apache/storm
Events
Introduced
2ba95bbd1c911d4fc6363b1c4b9c4c6d86ac9aae
Fixed
1d21736ccc9a11506214214b4d43efe83843b3e0
Database specific 
{
    "source": "CPE_RANGE",
    "cpe": "cpe:2.3:a:apache:storm:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "2.0.0"
        },
        {
            "fixed": "2.8.6"
        }
    ]
}

Affected versions

v2.*
v2.0.0
v2.5.0
v2.6.1
v2.6.3
v2.6.4
v2.7.0
v2.7.1
v2.8.0
v2.8.1
v2.8.2
v2.8.3
v2.8.4
v2.8.5

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-35337.json"