CVE-2026-59274 (GCVE-0-2026-59274)
Vulnerability from cvelistv5 – Published: 2026-08-27 05:20 – Updated: 2026-08-27 05:21
VLAI
EPSS
VEX
Title
Unbounded decompression in UnZipTransformer enables zip-bomb DoS
Summary
The UnZipTransformer does not limit decompressed entry size or entry count when processing archives. Consequently, an attacker can send a zip archive that can exhaust JVM heap memory, causing a denial-of-service outage.
Spring Integration 7.1.0
Spring Integration 7.0.0 - 7.0.5
Spring Integration 6.5.0 - 6.5.10
Spring Integration 6.4.0 - 6.4.12
Severity
6.5 (Medium)
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Spring | Spring Integration |
Affected:
7.1.0
(custom)
Affected: 7.0.0 , ≤ 7.0.5 (custom) Affected: 6.5.0 , ≤ 6.5.10 (custom) Affected: 6.4.0 , ≤ 6.4.12 (custom) |
guessed |
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Spring Integration",
"vendor": "Spring",
"versions": [
{
"status": "affected",
"version": "7.1.0",
"versionType": "custom"
},
{
"lessThanOrEqual": "7.0.5",
"status": "affected",
"version": "7.0.0",
"versionType": "custom"
},
{
"lessThanOrEqual": "6.5.10",
"status": "affected",
"version": "6.5.0",
"versionType": "custom"
},
{
"lessThanOrEqual": "6.4.12",
"status": "affected",
"version": "6.4.0",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
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"type": "text/html",
"value": "\u003cp\u003eThe UnZipTransformer does not limit decompressed entry size or entry count when processing archives. Consequently, an attacker can send a zip archive that can exhaust JVM heap memory, causing a denial-of-service outage.\u003c/p\u003e\u003cp\u003eSpring Integration 7.1.0\u003cbr/\u003eSpring Integration 7.0.0 - 7.0.5\u003cbr/\u003eSpring Integration 6.5.0 - 6.5.10\u003cbr/\u003eSpring Integration 6.4.0 - 6.4.12\u003c/p\u003e"
}
],
"value": "The UnZipTransformer does not limit decompressed entry size or entry count when processing archives. Consequently, an attacker can send a zip archive that can exhaust JVM heap memory, causing a denial-of-service outage.\nSpring Integration 7.1.0\nSpring Integration 7.0.0 - 7.0.5\nSpring Integration 6.5.0 - 6.5.10\nSpring Integration 6.4.0 - 6.4.12"
}
],
"impacts": [
{
"descriptions": [
{
"lang": "en",
"value": "The UnZipTransformer does not limit decompressed entry size or entry count when processing archives. Consequently, an attacker can send a zip archive that can exhaust JVM heap memory, causing a denial-of-service outage."
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
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"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-409 Improper Handling of Highly Compressed Data (Data Amplification, Decompression Bomb)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-27T05:21:43.138Z",
"orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
"shortName": "vmware"
},
"references": [
{
"url": "https://spring.io/security/cve-2026-59274"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Unbounded decompression in UnZipTransformer enables zip-bomb DoS"
}
},
"cveMetadata": {
"assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
"assignerShortName": "vmware",
"cveId": "CVE-2026-59274",
"datePublished": "2026-08-27T05:20:35.041Z",
"dateReserved": "2026-07-04T18:13:09.972Z",
"dateUpdated": "2026-08-27T05:21:43.138Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2026-59274\",\"sourceIdentifier\":\"security@vmware.com\",\"published\":\"2026-08-27T06:17:21.820\",\"lastModified\":\"2026-08-27T06:17:21.820\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The UnZipTransformer does not limit decompressed entry size or entry count when processing archives. Consequently, an attacker can send a zip archive that can exhaust JVM heap memory, causing a denial-of-service outage.\\nSpring Integration 7.1.0\\nSpring Integration 7.0.0 - 7.0.5\\nSpring Integration 6.5.0 - 6.5.10\\nSpring Integration 6.4.0 - 6.4.12\"}],\"affected\":[{\"source\":\"security@vmware.com\",\"affectedData\":[{\"vendor\":\"Spring\",\"product\":\"Spring Integration\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"7.1.0\",\"versionType\":\"custom\",\"status\":\"affected\"},{\"version\":\"7.0.0\",\"lessThanOrEqual\":\"7.0.5\",\"versionType\":\"custom\",\"status\":\"affected\"},{\"version\":\"6.5.0\",\"lessThanOrEqual\":\"6.5.10\",\"versionType\":\"custom\",\"status\":\"affected\"},{\"version\":\"6.4.0\",\"lessThanOrEqual\":\"6.4.12\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@vmware.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}]},\"references\":[{\"url\":\"https://spring.io/security/cve-2026-59274\",\"source\":\"security@vmware.com\"}]}}"
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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