CVE-2026-97334 (GCVE-0-2026-97334)
Vulnerability from cvelistv5
Published
2026-10-13 14:27
Modified
2026-10-13 14:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
The network messaging layer contained improper handling of highly compressed data affecting service availability. Software customers upgrade to resolved maintenance release. Update all Commvault installations, including CommServe server, Web Server, Command Center, MediaAgents, clients, and HyperScale.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Commvault | Commvault Cloud |
Version: 11.46.0 < Version: 11.44.0 < Version: 11.40.0 < Version: 11.36.0 < |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-97334",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-10-13T14:40:07.536505Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-409",
"description": "CWE-409 Improper Handling of Highly Compressed Data (Data Amplification)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-13T14:40:43.295Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unknown",
"platforms": [
"Windows",
"Linux"
],
"product": "Commvault Cloud",
"vendor": "Commvault",
"versions": [
{
"changes": [
{
"at": "11.46.30",
"status": "unaffected"
}
],
"lessThanOrEqual": "11.46.29",
"status": "affected",
"version": "11.46.0",
"versionType": "custom"
},
{
"changes": [
{
"at": "11.44.25",
"status": "unaffected"
}
],
"lessThanOrEqual": "11.44.24",
"status": "affected",
"version": "11.44.0",
"versionType": "custom"
},
{
"changes": [
{
"at": "11.40.78",
"status": "unaffected"
}
],
"lessThanOrEqual": "11.40.77",
"status": "affected",
"version": "11.40.0",
"versionType": "custom"
},
{
"changes": [
{
"at": "11.36.127",
"status": "unaffected"
}
],
"lessThanOrEqual": "11.36.126",
"status": "affected",
"version": "11.36.0",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "Michael Tucker and Tan Chew Keong from the XOR team at JPMorgan Chase."
}
],
"descriptions": [
{
"lang": "en",
"value": "The network messaging layer contained improper handling of highly compressed data affecting service availability. Software customers upgrade to resolved maintenance release. Update all Commvault installations, including CommServe server, Web Server, Command Center, MediaAgents, clients, and HyperScale."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 8.7,
"baseSeverity": "HIGH",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"version": "4.0"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-13T14:27:01.613Z",
"orgId": "050066fd-a2f9-4f32-ab5d-4c53f48bc333",
"shortName": "Commvault"
},
"references": [
{
"url": "https://documentation.commvault.com/securityadvisories/CV_2026_10_3.html"
}
],
"title": "Network messaging layer decompression resource exhaustion"
}
},
"cveMetadata": {
"assignerOrgId": "050066fd-a2f9-4f32-ab5d-4c53f48bc333",
"assignerShortName": "Commvault",
"cveId": "CVE-2026-97334",
"datePublished": "2026-10-13T14:27:01.613Z",
"dateReserved": "2026-09-24T12:01:47.252Z",
"dateUpdated": "2026-10-13T14:40:43.295Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-97334\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-10-13T14:40:07.536505Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-409\", \"description\": \"CWE-409 Improper Handling of Highly Compressed Data (Data Amplification)\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-10-13T14:40:39.676Z\"}}], \"cna\": {\"title\": \"Network messaging layer decompression resource exhaustion\", \"credits\": [{\"lang\": \"en\", \"type\": \"reporter\", \"value\": \"Michael Tucker and Tan Chew Keong from the XOR team at JPMorgan Chase.\"}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"version\": \"4.0\", \"baseScore\": 8.7, \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Commvault\", \"product\": \"Commvault Cloud\", \"versions\": [{\"status\": \"affected\", \"changes\": [{\"at\": \"11.46.30\", \"status\": \"unaffected\"}], \"version\": \"11.46.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"11.46.29\"}, {\"status\": \"affected\", \"changes\": [{\"at\": \"11.44.25\", \"status\": \"unaffected\"}], \"version\": \"11.44.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"11.44.24\"}, {\"status\": \"affected\", \"changes\": [{\"at\": \"11.40.78\", \"status\": \"unaffected\"}], \"version\": \"11.40.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"11.40.77\"}, {\"status\": \"affected\", \"changes\": [{\"at\": \"11.36.127\", \"status\": \"unaffected\"}], \"version\": \"11.36.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"11.36.126\"}], \"platforms\": [\"Windows\", \"Linux\"], \"defaultStatus\": \"unknown\"}], \"references\": [{\"url\": \"https://documentation.commvault.com/securityadvisories/CV_2026_10_3.html\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"The network messaging layer contained improper handling of highly compressed data affecting service availability. Software customers upgrade to resolved maintenance release. Update all Commvault installations, including CommServe server, Web Server, Command Center, MediaAgents, clients, and HyperScale.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"description\": \"CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)\"}]}], \"providerMetadata\": {\"orgId\": \"050066fd-a2f9-4f32-ab5d-4c53f48bc333\", \"shortName\": \"Commvault\", \"dateUpdated\": \"2026-10-13T14:27:01.613Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-97334\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-10-13T14:40:43.295Z\", \"dateReserved\": \"2026-09-24T12:01:47.252Z\", \"assignerOrgId\": \"050066fd-a2f9-4f32-ab5d-4c53f48bc333\", \"datePublished\": \"2026-10-13T14:27:01.613Z\", \"assignerShortName\": \"Commvault\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
Loading…
Loading…