CVE-2026-11460 (GCVE-0-2026-11460)
Vulnerability from cvelistv5 – Published: 2026-06-07 19:30 – Updated: 2026-06-08 13:45
VLAI
EPSS
VEX
Title
Boost Serialization improper validation of specified type of input
Summary
A flaw has been found in Boost Serialization up to 1.91. The impacted element is an unknown function. This manipulation causes improper validation of specified type of input. It is possible to initiate the attack remotely. The exploit has been published and may be used. The maintainer was notified on Aug 2025 and a disclosure deadline was set for 90 days. The maintainer acknowledged but postponed indefinitely citing time concerns. No patch is currently available and the disclosure deadline has expired.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-08 13:45 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/369080 | vdb-entry |
| https://vuldb.com/vuln/369080/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-11460 | third-party-advisory |
| https://vuldb.com/submit/814455 | third-party-advisory |
| https://github.com/boostorg/serialization/issues/331 | issue-tracking |
| https://gist.github.com/TrebledJ/b7c872f869b5ed7c… | exploit |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Boost | Serialization |
Affected:
1.0
Affected: 1.1 Affected: 1.2 Affected: 1.3 Affected: 1.4 Affected: 1.5 Affected: 1.6 Affected: 1.7 Affected: 1.8 Affected: 1.9 Affected: 1.10 Affected: 1.11 Affected: 1.12 Affected: 1.13 Affected: 1.14 Affected: 1.15 Affected: 1.16 Affected: 1.17 Affected: 1.18 Affected: 1.19 Affected: 1.20 Affected: 1.21 Affected: 1.22 Affected: 1.23 Affected: 1.24 Affected: 1.25 Affected: 1.26 Affected: 1.27 Affected: 1.28 Affected: 1.29 Affected: 1.30 Affected: 1.31 Affected: 1.32 Affected: 1.33 Affected: 1.34 Affected: 1.35 Affected: 1.36 Affected: 1.37 Affected: 1.38 Affected: 1.39 Affected: 1.40 Affected: 1.41 Affected: 1.42 Affected: 1.43 Affected: 1.44 Affected: 1.45 Affected: 1.46 Affected: 1.47 Affected: 1.48 Affected: 1.49 Affected: 1.50 Affected: 1.51 Affected: 1.52 Affected: 1.53 Affected: 1.54 Affected: 1.55 Affected: 1.56 Affected: 1.57 Affected: 1.58 Affected: 1.59 Affected: 1.60 Affected: 1.61 Affected: 1.62 Affected: 1.63 Affected: 1.64 Affected: 1.65 Affected: 1.66 Affected: 1.67 Affected: 1.68 Affected: 1.69 Affected: 1.70 Affected: 1.71 Affected: 1.72 Affected: 1.73 Affected: 1.74 Affected: 1.75 Affected: 1.76 Affected: 1.77 Affected: 1.78 Affected: 1.79 Affected: 1.80 Affected: 1.81 Affected: 1.82 Affected: 1.83 Affected: 1.84 Affected: 1.85 Affected: 1.86 Affected: 1.87 Affected: 1.88 Affected: 1.89 Affected: 1.90 Affected: 1.91 cpe:2.3:a:boost:serialization:*:*:*:*:*:*:*:* |
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"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
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},
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "cna@vuldb.com",
"type": "Secondary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
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"confidentialityImpact": "LOW",
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"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
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},
"exploitabilityScore": 3.9,
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}
],
"cvssMetricV40": [
{
"cvssData": {
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"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
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"attackRequirements": "PRESENT",
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"availabilityRequirement": "NOT_DEFINED",
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"baseSeverity": "LOW",
"confidentialityRequirement": "NOT_DEFINED",
"exploitMaturity": "PROOF_OF_CONCEPT",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"version": "4.0",
"vulnAvailabilityImpact": "LOW",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "LOW",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"source": "cna@vuldb.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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{
"exploitation": "poc"
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{
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},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-08T13:45:37.162774Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-06-07T20:16:39.993",
"references": [
{
"source": "cna@vuldb.com",
"url": "https://gist.github.com/TrebledJ/b7c872f869b5ed7cbd936f71f16c7d75"
},
{
"source": "cna@vuldb.com",
"url": "https://github.com/boostorg/serialization/issues/331"
},
{
"source": "cna@vuldb.com",
"url": "https://vuldb.com/cve/CVE-2026-11460"
},
{
"source": "cna@vuldb.com",
"url": "https://vuldb.com/submit/814455"
},
{
"source": "cna@vuldb.com",
"url": "https://vuldb.com/vuln/369080"
},
{
"source": "cna@vuldb.com",
"url": "https://vuldb.com/vuln/369080/cti"
}
],
"sourceIdentifier": "cna@vuldb.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
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"value": "CWE-20"
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{
"lang": "en",
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}
],
"source": "cna@vuldb.com",
"type": "Secondary"
}
]
}
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-11460",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-08T13:45:37.162774Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-06-08T13:45:40.442Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:boost:serialization:*:*:*:*:*:*:*:*"
],
"product": "Serialization",
"vendor": "Boost",
"versions": [
{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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},
{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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},
{
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},
{
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{
"status": "affected",
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},
{
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},
{
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},
{
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},
{
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},
{
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},
{
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{
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{
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},
{
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},
{
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},
{
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{
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{
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},
{
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{
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{
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},
{
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},
{
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},
{
"status": "affected",
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},
{
"status": "affected",
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},
{
"status": "affected",
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{
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{
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},
{
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},
{
"status": "affected",
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},
{
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{
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{
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{
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},
{
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{
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{
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{
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"status": "affected",
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},
{
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{
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},
{
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},
{
"status": "affected",
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},
{
"status": "affected",
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},
{
"status": "affected",
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{
"status": "affected",
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},
{
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{
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]
}
],
"credits": [
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"type": "reporter",
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},
{
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"type": "coordinator",
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}
],
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"value": "A flaw has been found in Boost Serialization up to 1.91. The impacted element is an unknown function. This manipulation causes improper validation of specified type of input. It is possible to initiate the attack remotely. The exploit has been published and may be used. The maintainer was notified on Aug 2025 and a disclosure deadline was set for 90 days. The maintainer acknowledged but postponed indefinitely citing time concerns. No patch is currently available and the disclosure deadline has expired."
}
],
"metrics": [
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
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},
{
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},
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}
],
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"description": "Improper Validation of Specified Type of Input",
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}
]
},
{
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}
]
}
],
"providerMetadata": {
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"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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},
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],
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},
{
"name": "VDB-369080 | CTI Indicators (IOB, IOC)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/369080/cti"
},
{
"name": "CVE-2026-11460 | CVE Analysis and Report",
"tags": [
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],
"url": "https://vuldb.com/cve/CVE-2026-11460"
},
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"name": "Submit #814455 | boostorg boost serialization 1.91 CWE-1287, CWE-843 (Type Confusion)",
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],
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},
{
"tags": [
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],
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},
{
"tags": [
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"value": "Advisory disclosed"
},
{
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"time": "2026-06-07T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-06-07T09:30:50.000Z",
"value": "VulDB entry last update"
}
],
"title": "Boost Serialization improper validation of specified type of input"
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"assignerShortName": "VulDB",
"cveId": "CVE-2026-11460",
"datePublished": "2026-06-07T19:30:10.324Z",
"dateReserved": "2026-06-07T07:25:46.611Z",
"dateUpdated": "2026-06-08T13:45:44.206Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
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}
}
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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.
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.
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