CVE-2026-0396 (GCVE-0-2026-0396)
Vulnerability from cvelistv5 – Published: 2026-03-31 11:50 – Updated: 2026-03-31 13:21
VLAI
EPSS
VEX
Title
HTML injection in the web dashboard
Summary
An attacker might be able to inject HTML content into the internal web dashboard by sending crafted DNS queries to a DNSdist instance where domain-based dynamic rules have been enabled via either DynBlockRulesGroup:setSuffixMatchRule or DynBlockRulesGroup:setSuffixMatchRuleFFI.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-31 13:21 UTC
CWE
- Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
- CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Assigner
References
1 reference
Impacted products
Date Public
2026-03-30 22:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-0396",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-03-31T13:21:05.454104Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-80",
"description": "CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-03-31T13:21:08.549Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"collectionURL": "https://repo.powerdns.com/",
"defaultStatus": "unaffected",
"modules": [
"Web Dashboard"
],
"packageName": "dnsdist",
"product": "DNSdist",
"programFiles": [
"html/local.js"
],
"repo": "https://github.com/PowerDNS/pdns",
"vendor": "PowerDNS",
"versions": [
{
"lessThan": "1.9.12",
"status": "affected",
"version": "1.9.0",
"versionType": "semver"
},
{
"lessThan": "2.0.3",
"status": "affected",
"version": "2.0.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Aisle Research"
}
],
"datePublic": "2026-03-30T22:00:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003eAn attacker might be able to inject HTML content into the internal web dashboard by sending crafted DNS queries to a DNSdist instance where domain-based dynamic rules have been enabled via either DynBlockRulesGroup:setSuffixMatchRule or DynBlockRulesGroup:setSuffixMatchRuleFFI.\u003c/p\u003e"
}
],
"value": "An attacker might be able to inject HTML content into the internal web dashboard by sending crafted DNS queries to a DNSdist instance where domain-based dynamic rules have been enabled via either DynBlockRulesGroup:setSuffixMatchRule or DynBlockRulesGroup:setSuffixMatchRuleFFI."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 3.1,
"baseSeverity": "LOW",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-03-31T11:50:51.442Z",
"orgId": "8ce71d90-2354-404b-a86e-bec2cc4e6981",
"shortName": "OX"
},
"references": [
{
"url": "https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-02.html"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "HTML injection in the web dashboard",
"x_generator": {
"engine": "Vulnogram 0.5.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "8ce71d90-2354-404b-a86e-bec2cc4e6981",
"assignerShortName": "OX",
"cveId": "CVE-2026-0396",
"datePublished": "2026-03-31T11:50:51.442Z",
"dateReserved": "2025-11-28T09:18:05.355Z",
"dateUpdated": "2026-03-31T13:21:08.549Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-0396",
"date": "2026-09-16",
"epss": "0.00136",
"percentile": "0.03409"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2026-0396\",\"sourceIdentifier\":\"security@open-xchange.com\",\"published\":\"2026-03-31T12:16:27.190\",\"lastModified\":\"2026-07-25T10:10:00.167\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An attacker might be able to inject HTML content into the internal web dashboard by sending crafted DNS queries to a DNSdist instance where domain-based dynamic rules have been enabled via either DynBlockRulesGroup:setSuffixMatchRule or DynBlockRulesGroup:setSuffixMatchRuleFFI.\"},{\"lang\":\"es\",\"value\":\"Un atacante podr\u00eda ser capaz de inyectar contenido HTML en el panel de control web interno enviando consultas DNS manipuladas a una instancia de DNSdist donde se han habilitado reglas din\u00e1micas basadas en dominio ya sea a trav\u00e9s de DynBlockRulesGroup:setSuffixMatchRule o DynBlockRulesGroup:setSuffixMatchRuleFFI.\"}],\"affected\":[{\"source\":\"security@open-xchange.com\",\"affectedData\":[{\"vendor\":\"PowerDNS\",\"product\":\"DNSdist\",\"defaultStatus\":\"unaffected\",\"collectionURL\":\"https://repo.powerdns.com/\",\"packageName\":\"dnsdist\",\"modules\":[\"Web Dashboard\"],\"programFiles\":[\"html/local.js\"],\"repo\":\"https://github.com/PowerDNS/pdns\",\"versions\":[{\"version\":\"1.9.0\",\"lessThan\":\"1.9.12\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"2.0.0\",\"lessThan\":\"2.0.3\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@open-xchange.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N\",\"baseScore\":3.1,\"baseSeverity\":\"LOW\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.6,\"impactScore\":1.4},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N\",\"baseScore\":4.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":1.4}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-03-31T13:21:05.454104Z\",\"id\":\"CVE-2026-0396\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-80\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:powerdns:dnsdist:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.9.0\",\"versionEndExcluding\":\"1.9.12\",\"matchCriteriaId\":\"628B3B94-81DE-496E-B36A-B79A3DFFE1F4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:powerdns:dnsdist:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.0.0\",\"versionEndExcluding\":\"2.0.3\",\"matchCriteriaId\":\"9AC850DD-FDD8-4C48-B861-4BBAF423FF57\"}]}]}],\"references\":[{\"url\":\"https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-02.html\",\"source\":\"security@open-xchange.com\",\"tags\":[\"Vendor Advisory\"]}]}}",
"redhat_vex": {
"current_release_date": "2026-06-28T07:14:01+00:00",
"cve": "CVE-2026-0396",
"id": "CVE-2026-0396",
"initial_release_date": "2026-03-31T11:50:51.442000+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "dnsdist: dnsdist: HTML injection via crafted DNS queries",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-0396.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "low",
"current_release_date": "2026-09-11T01:46:51Z",
"cve": "CVE-2026-0396",
"id": "CVE-2026-0396",
"initial_release_date": "2026-03-31T23:29:15Z",
"product_status:known_affected": "27",
"product_status:recommended": "9",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2026-0396",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-0396.json",
"version": "8"
},
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-0396\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-03-31T13:21:05.454104Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-80\", \"description\": \"CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-03-31T13:21:00.471Z\"}}], \"cna\": {\"title\": \"HTML injection in the web dashboard\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Aisle Research\"}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 3.1, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"LOW\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"HIGH\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"repo\": \"https://github.com/PowerDNS/pdns\", \"vendor\": \"PowerDNS\", \"modules\": [\"Web Dashboard\"], \"product\": \"DNSdist\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.9.0\", \"lessThan\": \"1.9.12\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"2.0.0\", \"lessThan\": \"2.0.3\", \"versionType\": \"semver\"}], \"packageName\": \"dnsdist\", \"programFiles\": [\"html/local.js\"], \"collectionURL\": \"https://repo.powerdns.com/\", \"defaultStatus\": \"unaffected\"}], \"datePublic\": \"2026-03-30T22:00:00.000Z\", \"references\": [{\"url\": \"https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-02.html\"}], \"x_generator\": {\"engine\": \"Vulnogram 0.5.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"An attacker might be able to inject HTML content into the internal web dashboard by sending crafted DNS queries to a DNSdist instance where domain-based dynamic rules have been enabled via either DynBlockRulesGroup:setSuffixMatchRule or DynBlockRulesGroup:setSuffixMatchRuleFFI.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eAn attacker might be able to inject HTML content into the internal web dashboard by sending crafted DNS queries to a DNSdist instance where domain-based dynamic rules have been enabled via either DynBlockRulesGroup:setSuffixMatchRule or DynBlockRulesGroup:setSuffixMatchRuleFFI.\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"description\": \"Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)\"}]}], \"providerMetadata\": {\"orgId\": \"8ce71d90-2354-404b-a86e-bec2cc4e6981\", \"shortName\": \"OX\", \"dateUpdated\": \"2026-03-31T11:50:51.442Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-0396\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-03-31T13:21:08.549Z\", \"dateReserved\": \"2025-11-28T09:18:05.355Z\", \"assignerOrgId\": \"8ce71d90-2354-404b-a86e-bec2cc4e6981\", \"datePublished\": \"2026-03-31T11:50:51.442Z\", \"assignerShortName\": \"OX\"}",
"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…
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.
Loading…
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.
Loading…