RHSA-2026:85544
Vulnerability from csaf_redhat - Published: 2026-10-19 21:42 - Updated: 2026-10-21 19:41Summary
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
Severity
Moderate
Notes
Topic: An update for Red Hat Hardened Images RPMs is now available.
Details: This update includes the following RPMs:
grafana13.2:
* grafana13.2-13.2.4-0.1.hum1 (aarch64, s390x, x86_64)
* grafana13.2-13.2.4-0.1.hum1.src (src)
Terms of Use: 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.
A flaw was found in Grafana. An improper authorization vulnerability allows an authenticated user or service account with read-only access to modify Git Sync connection configurations through the status subresource. Consequently, an attacker can make unauthorized configuration changes despite lacking administrative or write permissions.
6.5 (Medium)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@aarch64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@src | — |
Vendor Fix
fix
|
|
| Unresolved product id: Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@x86_64 | — |
Vendor Fix
fix
|
Threats
Impact
Moderate
A flaw was found in Grafana. The Prometheus rule conversion API endpoints fail to enforce a limit on request body sizes. An authenticated user can exploit this vulnerability by submitting excessively large requests to trigger unbounded memory allocation, which crashes the server and results in a Denial of Service (DoS).
6.5 (Medium)
Affected products
Fixed
4 products, the same list as for
CVE-2026-15577
Threats
Impact
Moderate
A flaw was found in Grafana. An authenticated service account with user-management permissions in one organization can access users in other organizations on the same instance due to missing access controls in the System for Cross-domain Identity Management (SCIM) API. This allows an authorized account to view, modify, disable, or delete users belonging to separate organizations, breaking tenant isolation.
6.7 (Medium)
Affected products
Fixed
4 products, the same list as for
CVE-2026-15577
Threats
Impact
Moderate
A flaw was found in Grafana. An authenticated user with query access to an Azure Monitor data source can misuse its resource proxy to send unauthorized requests to Azure Resource Manager Application Programming Interfaces (APIs) using the data source's configured cloud identity. This unintended proxying can lead to information disclosure, allowing an attacker to access sensitive cloud resources within the scope of the identity's permissions.
4.3 (Medium)
Affected products
Fixed
4 products, the same list as for
CVE-2026-15577
Threats
Impact
Moderate
A flaw was found in Grafana. A malicious or compromised Git server configured for Git Sync provisioning can return oversized or highly compressed responses, causing uncontrolled memory consumption. This issue can exhaust system memory, resulting in a Denial of Service (DoS) condition on the Grafana instance. Exploitation requires an administrator to have configured Git Sync to communicate with the untrusted server.
5.3 (Medium)
Affected products
Fixed
4 products, the same list as for
CVE-2026-15577
Threats
Impact
Moderate
A flaw was found in Hono's serveStatic middleware. This vulnerability allows a remote attacker to cause unauthorized information disclosure by bypassing path-based access controls. Because serveStatic decodes request paths a second time before performing filesystem lookups, a specially crafted request with malformed percent encoding can bypass upstream security middleware. As a result, an attacker can access protected static files within the configured document root.
5.3 (Medium)
Affected products
Fixed
4 products, the same list as for
CVE-2026-15577
Threats
Impact
Moderate
References
41 references
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"title": "grafana: grafana: Denial of Service via unbounded request body size in Prometheus rule conversion API"
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},
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"ids": [
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"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@src",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-92539"
},
{
"category": "external",
"summary": "RHBZ#2556381",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2556381"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-92539",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-92539"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-92539",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-92539"
},
{
"category": "external",
"summary": "https://grafana.com/security/security-advisories/cve-2026-92539",
"url": "https://grafana.com/security/security-advisories/cve-2026-92539"
}
],
"release_date": "2026-10-20T16:55:17.875000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T21:42:26+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:grafana13.2-0:13.2.4-0.1.hum1@aarch64",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@s390x",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@src",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:85544"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@aarch64",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@s390x",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@src",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "grafana: Grafana: Unauthorized cross-organization user management via the SCIM API"
},
{
"cve": "CVE-2026-93294",
"cwe": {
"id": "CWE-918",
"name": "Server-Side Request Forgery (SSRF)"
},
"discovery_date": "2026-10-13T17:29:57.133118+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2550715"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Grafana. An authenticated user with query access to an Azure Monitor data source can misuse its resource proxy to send unauthorized requests to Azure Resource Manager Application Programming Interfaces (APIs) using the data source\u0027s configured cloud identity. This unintended proxying can lead to information disclosure, allowing an attacker to access sensitive cloud resources within the scope of the identity\u0027s permissions.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "grafana: Grafana: Information disclosure via Azure Monitor resource proxy",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "A moderate information disclosure flaw was found in Grafana, affecting the grafana component as shipped in Red Hat Enterprise Linux 8, 9, and 10, Red Hat Ceph Storage, Red Hat Advanced Cluster Management for Kubernetes, Multicluster Global Hub, and Red Hat In-Vehicle OS, as well as Red Hat Hardened Images and Fedora community builds. An authenticated Grafana user with query access to an Azure Monitor data source can misuse its resource proxy to send requests to Azure Resource Manager APIs beyond those Grafana requires, using the data source\u0027s configured cloud identity. This unintended proxying allows an attacker to read sensitive Azure cloud resources within the scope of that identity\u0027s permissions, with no impact on integrity or availability. Some RHEL 8 grafana streams are not affected because the vulnerable code is not present. Red Hat rates this flaw 4.3 (Moderate) rather than the upstream 6.3 because the disclosure is bounded by the Azure role granted to the data source identity, resulting in low confidentiality impact with unchanged scope rather than the high confidentiality impact across a changed scope assessed upstream. For the affected Red Hat products the fix is deferred to a future update given the moderate impact and the authentication and query-access prerequisites; the residual risk is that an authenticated user could retrieve Azure resources accessible to the data source identity. For Red Hat Hardened Images and Fedora, a fix is being pursued through those channels.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@aarch64",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@s390x",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@src",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-93294"
},
{
"category": "external",
"summary": "RHBZ#2550715",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2550715"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-93294",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-93294"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-93294",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-93294"
},
{
"category": "external",
"summary": "https://grafana.com/security/security-advisories/cve-2026-93294",
"url": "https://grafana.com/security/security-advisories/cve-2026-93294"
}
],
"release_date": "2026-10-13T17:05:49.715000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T21:42:26+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:grafana13.2-0:13.2.4-0.1.hum1@aarch64",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@s390x",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@src",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:85544"
},
{
"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:grafana13.2-0:13.2.4-0.1.hum1@aarch64",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@s390x",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@src",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@aarch64",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@s390x",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@src",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "grafana: Grafana: Information disclosure via Azure Monitor resource proxy"
},
{
"cve": "CVE-2026-95502",
"cwe": {
"id": "CWE-770",
"name": "Allocation of Resources Without Limits or Throttling"
},
"discovery_date": "2026-10-13T17:26:33.911607+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2550709"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Grafana. A malicious or compromised Git server configured for Git Sync provisioning can return oversized or highly compressed responses, causing uncontrolled memory consumption. This issue can exhaust system memory, resulting in a Denial of Service (DoS) condition on the Grafana instance. Exploitation requires an administrator to have configured Git Sync to communicate with the untrusted server.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "grafana: grafana: Denial of Service via oversized Git Sync responses",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@aarch64",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@s390x",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@src",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-95502"
},
{
"category": "external",
"summary": "RHBZ#2550709",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2550709"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-95502",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-95502"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-95502",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-95502"
},
{
"category": "external",
"summary": "https://grafana.com/security/security-advisories/cve-2026-95502",
"url": "https://grafana.com/security/security-advisories/cve-2026-95502"
}
],
"release_date": "2026-10-13T17:05:49.670000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T21:42:26+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:grafana13.2-0:13.2.4-0.1.hum1@aarch64",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@s390x",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@src",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:85544"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"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:L",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@aarch64",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@s390x",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@src",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "grafana: grafana: Denial of Service via oversized Git Sync responses"
},
{
"cve": "CVE-2026-111757",
"cwe": {
"id": "CWE-551",
"name": "Incorrect Behavior Order: Authorization Before Parsing and Canonicalization"
},
"discovery_date": "2026-10-19T17:42:29.291567+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2555734"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Hono\u0027s serveStatic middleware. This vulnerability allows a remote attacker to cause unauthorized information disclosure by bypassing path-based access controls. Because serveStatic decodes request paths a second time before performing filesystem lookups, a specially crafted request with malformed percent encoding can bypass upstream security middleware. As a result, an attacker can access protected static files within the configured document root.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "hono: hono: Information disclosure via malformed percent-encoded paths in serveStatic",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@aarch64",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@s390x",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@src",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-111757"
},
{
"category": "external",
"summary": "RHBZ#2555734",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2555734"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-111757",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-111757"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-111757",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-111757"
},
{
"category": "external",
"summary": "https://github.com/honojs/hono/commit/8b05c774ef1555c70f5ba5e2991b7e77cc3635cc",
"url": "https://github.com/honojs/hono/commit/8b05c774ef1555c70f5ba5e2991b7e77cc3635cc"
},
{
"category": "external",
"summary": "https://github.com/honojs/hono/security/advisories/GHSA-5r4p-p66f-jhc7",
"url": "https://github.com/honojs/hono/security/advisories/GHSA-5r4p-p66f-jhc7"
}
],
"release_date": "2026-10-19T17:31:20.341000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-10-19T21:42:26+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:grafana13.2-0:13.2.4-0.1.hum1@aarch64",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@s390x",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@src",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:85544"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@aarch64",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@s390x",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@src",
"Red Hat Hardened Images:grafana13.2-0:13.2.4-0.1.hum1@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "hono: hono: Information disclosure via malformed percent-encoded paths in serveStatic"
}
]
}
Loading…
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
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.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.