CVE-2026-41284 (GCVE-0-2026-41284)
Vulnerability from cvelistv5 – Published: 2026-05-12 15:14 – Updated: 2026-05-13 15:57
VLAI?
Title
Apache Tomcat: Unbounded read in WebDAV LOCK and PROPFIND handling
Summary
Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117.
Older, unsupported versions may also be affected.
Users are recommended to upgrade to version [FIXED_VERSION], which fixes the issue.
Severity ?
No CVSS data available.
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/2nvqjr7ovjmvx2vbh… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.21
(semver)
Affected: 10.1.0-M1 , ≤ 10.1.54 (semver) Affected: 9.0.0.M1 , ≤ 9.0.117 (semver) Affected: 10.0.0-M1 , ≤ 10.0.27 (semver) Affected: 8.5.0 , ≤ 8.5.100 (semver) Affected: 4.0 , ≤ 7.0.109 (semver) |
Credits
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2026-05-12T17:40:56.383Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"url": "http://www.openwall.com/lists/oss-security/2026/05/12/12"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-41284",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-05-13T15:57:41.987314Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-05-13T15:57:45.607Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Apache Tomcat",
"vendor": "Apache Software Foundation",
"versions": [
{
"lessThanOrEqual": "11.0.21",
"status": "affected",
"version": "11.0.0-M1",
"versionType": "semver"
},
{
"lessThanOrEqual": "10.1.54",
"status": "affected",
"version": "10.1.0-M1",
"versionType": "semver"
},
{
"lessThanOrEqual": "9.0.117",
"status": "affected",
"version": "9.0.0.M1",
"versionType": "semver"
},
{
"lessThanOrEqual": "10.0.27",
"status": "affected",
"version": "10.0.0-M1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.5.100",
"status": "affected",
"version": "8.5.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.0.109",
"status": "affected",
"version": "4.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Dariusz Go\u0144da"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003eAllocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat.\u003c/p\u003e\u003cp\u003eThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117.\u003cbr\u003eOlder, unsupported versions may also be affected.\u003c/p\u003e\u003cp\u003eUsers are recommended to upgrade to version [FIXED_VERSION], which fixes the issue.\u003c/p\u003e"
}
],
"value": "Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat.\n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117.\nOlder, unsupported versions may also be affected.\n\nUsers are recommended to upgrade to version [FIXED_VERSION], which fixes the issue."
}
],
"metrics": [
{
"other": {
"content": {
"text": "low"
},
"type": "Textual description of severity"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-770",
"description": "CWE-770 Allocation of Resources Without Limits or Throttling",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-05-12T15:14:45.278Z",
"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
"shortName": "apache"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://lists.apache.org/thread/2nvqjr7ovjmvx2vbhb7s61ycd5msc8qc"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Apache Tomcat: Unbounded read in WebDAV LOCK and PROPFIND handling",
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
"assignerShortName": "apache",
"cveId": "CVE-2026-41284",
"datePublished": "2026-05-12T15:14:45.278Z",
"dateReserved": "2026-04-20T07:27:43.961Z",
"dateUpdated": "2026-05-13T15:57:45.607Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-41284",
"date": "2026-05-14",
"epss": "0.0004",
"percentile": "0.12137"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2026-41284\",\"sourceIdentifier\":\"security@apache.org\",\"published\":\"2026-05-12T16:16:15.933\",\"lastModified\":\"2026-05-14T18:59:48.383\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat.\\n\\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117.\\nOlder, unsupported versions may also be affected.\\n\\nUsers are recommended to upgrade to version [FIXED_VERSION], which fixes the issue.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"security@apache.org\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-770\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.0.0\",\"versionEndIncluding\":\"7.0.109\",\"matchCriteriaId\":\"0D9D0050-8CBC-41DB-9C53-CE7BFF7A3F2D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"8.5.0\",\"versionEndIncluding\":\"8.5.100\",\"matchCriteriaId\":\"FF43D0D7-FBF3-4D7A-84C4-47B65A75A524\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"9.0.0\",\"versionEndExcluding\":\"9.0.118\",\"matchCriteriaId\":\"1E5A897C-91F4-449E-984C-7D693B137EED\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"10.0.0\",\"versionEndIncluding\":\"10.0.27\",\"matchCriteriaId\":\"A1B15E74-3CBE-438A-AF89-84BFAB3C1639\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"10.1.0\",\"versionEndExcluding\":\"10.1.55\",\"matchCriteriaId\":\"5F289287-8587-4BB3-B4AB-3B5CF4A7D27A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"11.0.0\",\"versionEndExcluding\":\"11.0.22\",\"matchCriteriaId\":\"03FB799D-A66F-4792-A0CF-16D67BB53F08\"}]}]}],\"references\":[{\"url\":\"https://lists.apache.org/thread/2nvqjr7ovjmvx2vbhb7s61ycd5msc8qc\",\"source\":\"security@apache.org\",\"tags\":[\"Mailing List\",\"Vendor Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2026/05/12/12\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]}]}}",
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-41284\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-05-13T15:57:41.987314Z\"}}}], \"providerMetadata\": {\"shortName\": \"CISA-ADP\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"dateUpdated\": \"2026-05-13T15:57:37.077Z\"}}], \"cna\": {\"title\": \"Apache Tomcat: Unbounded read in WebDAV LOCK and PROPFIND handling\", \"source\": {\"discovery\": \"EXTERNAL\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Dariusz Go\\u0144da\"}], \"metrics\": [{\"other\": {\"type\": \"Textual description of severity\", \"content\": {\"text\": \"low\"}}}], \"affected\": [{\"vendor\": \"Apache Software Foundation\", \"product\": \"Apache Tomcat\", \"versions\": [{\"status\": \"affected\", \"version\": \"11.0.0-M1\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"11.0.21\"}, {\"status\": \"affected\", \"version\": \"10.1.0-M1\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"10.1.54\"}, {\"status\": \"affected\", \"version\": \"9.0.0.M1\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"9.0.117\"}, {\"status\": \"affected\", \"version\": \"10.0.0-M1\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"10.0.27\"}, {\"status\": \"affected\", \"version\": \"8.5.0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"8.5.100\"}, {\"status\": \"affected\", \"version\": \"4.0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"7.0.109\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://lists.apache.org/thread/2nvqjr7ovjmvx2vbhb7s61ycd5msc8qc\", \"tags\": [\"vendor-advisory\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat.\\n\\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117.\\nOlder, unsupported versions may also be affected.\\n\\nUsers are recommended to upgrade to version [FIXED_VERSION], which fixes the issue.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eAllocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat.\u003c/p\u003e\u003cp\u003eThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117.\u003cbr\u003eOlder, unsupported versions may also be affected.\u003c/p\u003e\u003cp\u003eUsers are recommended to upgrade to version [FIXED_VERSION], which fixes the issue.\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-770\", \"description\": \"CWE-770 Allocation of Resources Without Limits or Throttling\"}]}], \"providerMetadata\": {\"orgId\": \"f0158376-9dc2-43b6-827c-5f631a4d8d09\", \"shortName\": \"apache\", \"dateUpdated\": \"2026-05-12T15:14:45.278Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-41284\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-12T17:40:56.383Z\", \"dateReserved\": \"2026-04-20T07:27:43.961Z\", \"assignerOrgId\": \"f0158376-9dc2-43b6-827c-5f631a4d8d09\", \"datePublished\": \"2026-05-12T15:14:45.278Z\", \"assignerShortName\": \"apache\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
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.
Loading…
Loading…