cve-2026-66422
LOW CVSS 2.7 csaf_redhat
Description
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
Timeline
- Published
- 2026-08-25 21:55 UTC
- Last Modified
- 2026-09-03
CVSS Details
CVSS details not available.
Affected Products
No product information available.
Weaknesses (CWE)
References
No references available.
Linked Vulnerabilities
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"title": "Vulnerability description"
},
{
"category": "summary",
"text": "tomcat: Apache Tomcat: Improper Authorization allows bypass of declarative role constraints",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This vulnerability is rated as Low impact. It requires high privileges to exploit and only affects the confidentiality of information by allowing a bypass of declarative role constraints. In Red Hat deployments, where Apache Tomcat instances are typically configured with strict access controls, this flaw primarily impacts already highly privileged users, limiting its overall risk.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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"red_hat_enterprise_linux_9:tomcat.src"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-66422"
},
{
"category": "external",
"summary": "RHBZ#2524156",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2524156"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-66422",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-66422"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-66422",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-66422"
},
{
"category": "external",
"summary": "https://lists.apache.org/thread/j5plylz1b2vhqvbkqn7k58nygxhcpk73",
"url": "https://lists.apache.org/thread/j5plylz1b2vhqvbkqn7k58nygxhcpk73"
}
],
"release_date": "2026-08-25T21:55:16.928000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-09-03T09:43:07+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:tomcat10-main@noarch",
"Red Hat Hardened Images:tomcat10-main@src"
],
"url": "https://access.redhat.com/errata/RHSA-2026:63137"
},
{
"category": "vendor_fix",
"date": "2026-08-18T09:28:35+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:tomcat11-main@noarch",
"Red Hat Hardened Images:tomcat11-main@src"
],
"url": "https://access.redhat.com/errata/RHSA-2026:56039"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
"product_ids": [
"Red Hat Hardened Images:tomcat10-main@noarch",
"Red Hat Hardened Images:tomcat10-main@src",
"Red Hat Hardened Images:tomcat11-main@noarch",
"Red Hat Hardened Images:tomcat11-main@src",
"red_hat_jboss_web_server_5:tomcat",
"red_hat_jboss_web_server_6:tomcat",
"red_hat_jboss_web_server_7:tomcat"
]
},
{
"category": "no_fix_planned",
"details": "Out of support scope",
"product_ids": [
"red_hat_jboss_web_server_5:tomcat"
]
},
{
"category": "none_available",
"details": "Affected",
"product_ids": [
"red_hat_jboss_web_server_6:tomcat",
"red_hat_jboss_web_server_7:tomcat"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 2.7,
"baseSeverity": "LOW",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:tomcat10-main@noarch",
"Red Hat Hardened Images:tomcat10-main@src",
"Red Hat Hardened Images:tomcat11-main@noarch",
"Red Hat Hardened Images:tomcat11-main@src",
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]
}
],
"threats": [
{
"category": "impact",
"details": "Low",
"product_ids": [
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"Red Hat Hardened Images:tomcat10-main@src",
"Red Hat Hardened Images:tomcat11-main@noarch",
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"red_hat_enterprise_linux_6:tomcat6-jsp-2.1-api",
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"red_hat_enterprise_linux_8:pki-servlet-4.0-api::pki-deps:10.6",
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"red_hat_enterprise_linux_8:pki-servlet-engine::pki-deps:10.6",
"red_hat_enterprise_linux_8:tomcat",
"red_hat_enterprise_linux_8:tomcat-admin-webapps",
"red_hat_enterprise_linux_8:tomcat-docs-webapp",
"red_hat_enterprise_linux_8:tomcat-el-3.0-api",
"red_hat_enterprise_linux_8:tomcat-jsp-2.3-api",
"red_hat_enterprise_linux_8:tomcat-lib",
"red_hat_enterprise_linux_8:tomcat-servlet-4.0-api",
"red_hat_enterprise_linux_8:tomcat-webapps",
"red_hat_enterprise_linux_8:tomcat.src",
"red_hat_enterprise_linux_9:tomcat",
"red_hat_enterprise_linux_9:tomcat-admin-webapps",
"red_hat_enterprise_linux_9:tomcat-docs-webapp",
"red_hat_enterprise_linux_9:tomcat-el-3.0-api",
"red_hat_enterprise_linux_9:tomcat-jsp-2.3-api",
"red_hat_enterprise_linux_9:tomcat-lib",
"red_hat_enterprise_linux_9:tomcat-servlet-4.0-api",
"red_hat_enterprise_linux_9:tomcat-webapps",
"red_hat_enterprise_linux_9:tomcat.src",
"red_hat_jboss_web_server_5:tomcat",
"red_hat_jboss_web_server_6:tomcat",
"red_hat_jboss_web_server_7:tomcat"
]
}
],
"title": "tomcat: Apache Tomcat: Improper Authorization allows bypass of declarative role constraints"
}
]
}