{"api_version":"1","generated_at":"2026-10-21T18:43:05+00:00","cve":"CVE-2026-102087","urls":{"html":"https://cve.report/CVE-2026-102087","api":"https://cve.report/api/cve/CVE-2026-102087.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-102087","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-102087"},"summary":{"title":"Junos OS and Junos OS Evolved: If in a traffic engineering scenario a specific valid BGP-LS attribute is received rpd crashes","description":"An Incomplete List of Disallowed Inputs vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial-of-Service (DoS).\n\nWhen in a BGP traffic engineering scenario a specific, valid, optional, non-transitive BGP update is received over an established BGP session, RPD crashes and automatically restarts, which leads to traffic impact until routing has reconverged.\n\nThis issue affects:\nJunos OS:\n\n\n  *  All versions before 23.2R2-S6;\n  *  23.4 versions before 23.4R2-S7;\n  *  24.2 versions before 24.2R2-S4;\n  *  24.4 versions before 24.4R2-S4;\n  *  25.2 versions before 25.2R1-S2, 25.2R2;\n\n\n\nJunos OS Evolved:\n  *  All versions before 23.2R2-S6-EVO;\n  *  23.4 versions before 23.4R2-S8.11-EVO;\n  *  24.2 versions before 24.2R2-S4-EVO;\n  *  24.4 versions before 24.4R2-S5-EVO;\n  *  25.2 versions before 25.2R1-S2-EVO, 25.2R2-EVO;","state":"PUBLISHED","assigner":"juniper","published_at":"2026-10-14 17:18:04","updated_at":"2026-10-15 16:24:19"},"problem_types":["CWE-184","CWE-184 CWE-184 Incomplete Blacklist"],"metrics":[{"version":"4.0","source":"sirt@juniper.net","type":"Secondary","score":"7.1","severity":"HIGH","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/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:Y/R:A/V:X/RE:M/U:X","data":{"version":"4.0","vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/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:Y/R:A/V:X/RE:M/U:X","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"LOW","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"YES","Recovery":"AUTOMATIC","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"MODERATE","providerUrgency":"NOT_DEFINED"}},{"version":"4.0","source":"CNA","type":"CVSS","score":"7.1","severity":"HIGH","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/RE:M","data":{"Automatable":"YES","Recovery":"AUTOMATIC","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"ADJACENT","baseScore":7.1,"baseSeverity":"HIGH","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/RE:M","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"MODERATE"}},{"version":"3.1","source":"sirt@juniper.net","type":"Secondary","score":"6.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"6.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://supportportal.juniper.net/JSA112168","name":"https://supportportal.juniper.net/JSA112168","refsource":"sirt@juniper.net","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-102087","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-102087","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS","version":"affected 23.2R2-S6 custom","platforms":[]},{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS","version":"affected 23.4 23.4R2-S7 custom","platforms":[]},{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS","version":"affected 24.2 24.2R2-S4 custom","platforms":[]},{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS","version":"affected 24.4 24.4R2-S4 custom","platforms":[]},{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS","version":"affected 25.2 25.2R1-S2, 25.2R2 custom","platforms":[]},{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS Evolved","version":"affected 23.2R2-S6-EVO custom","platforms":[]},{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS Evolved","version":"affected 23.4 23.4R2-S8.11-EVO custom","platforms":[]},{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS Evolved","version":"affected 24.2 24.2R2-S4-EVO custom","platforms":[]},{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS Evolved","version":"affected 24.4 24.4R2-S5-EVO custom","platforms":[]},{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS Evolved","version":"affected 25.2 25.2R1-S2-EVO, 25.2R2-EVO custom","platforms":[]}],"timeline":[],"solutions":[{"source":"CNA","title":"","value":"The following software releases have been updated to resolve this specific issue:\n\n\nJunos OS: 23.2R2-S6, 23.4R2-S7, 24.2R2-S4, 24.4R2-S4, 25.2R1-S2, 25.2R2, 25.4R1, and all subsequent releases;\nJunos OS Evolved: 23.2R2-S6-EVO, 23.4R2-S8.11-EVO, 24.2R2-S4-EVO, 24.4R2-S5-EVO, 25.2R1-S2-EVO, 25.2R2-EVO, 25.4R1-EVO, and all subsequent releases.\n\n\n\n\nNote: For Junos OS releases 23.2, 23.4, and 24.2, and Junos OS Evolved releases 23.2-EVO, 23.4-EVO, and 24.2-EVO, specific respins have been referenced. Previously published versions of these releases have been rebuilt to resolve the security vulnerabilities identified in this advisory.","time":"","lang":"en"}],"workarounds":[{"source":"CNA","title":"","value":"There are no known workarounds for this issue.","time":"","lang":"en"}],"exploits":[{"source":"CNA","title":"","value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability.","time":"","lang":"en"}],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-102087","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-10-14T20:16:18.843641Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-10-14T20:26:06.313Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"Junos OS","vendor":"Juniper Networks","versions":[{"lessThan":"23.2R2-S6","status":"affected","version":"0","versionType":"custom"},{"lessThan":"23.4R2-S7","status":"affected","version":"23.4","versionType":"custom"},{"lessThan":"24.2R2-S4","status":"affected","version":"24.2","versionType":"custom"},{"lessThan":"24.4R2-S4","status":"affected","version":"24.4","versionType":"custom"},{"lessThan":"25.2R1-S2, 25.2R2","status":"affected","version":"25.2","versionType":"custom"}]},{"defaultStatus":"unaffected","product":"Junos OS Evolved","vendor":"Juniper Networks","versions":[{"lessThan":"23.2R2-S6-EVO","status":"affected","version":"0","versionType":"custom"},{"lessThan":"23.4R2-S8.11-EVO","status":"affected","version":"23.4","versionType":"custom"},{"lessThan":"24.2R2-S4-EVO","status":"affected","version":"24.2","versionType":"custom"},{"lessThan":"24.4R2-S5-EVO","status":"affected","version":"24.4","versionType":"custom"},{"lessThan":"25.2R1-S2-EVO, 25.2R2-EVO","status":"affected","version":"25.2","versionType":"custom"}]}],"configurations":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"To be exposed to this issue the system needs to be configured with:<br><br><tt>[ protocols bgp ... family traffic-engineering ]<br><br>[ policy-options&nbsp;policy-statement &lt;name&gt;&nbsp;from&nbsp;family traffic-engineering ]<br>\n\n[ policy-options policy-statement &lt;name&gt; from family traffic-engineering then accept ]<br>[ protocols mpls&nbsp;traffic-engineering&nbsp;database export&nbsp;policy &lt;name&gt; ]<br><br></tt>"}],"value":"To be exposed to this issue the system needs to be configured with:\n\n[ protocols bgp ... family traffic-engineering ]\n\n[ policy-options policy-statement <name> from family traffic-engineering ]\n\n\n[ policy-options policy-statement <name> from family traffic-engineering then accept ]\n[ protocols mpls traffic-engineering database export policy <name> ]"}],"datePublic":"2026-10-14T16:00:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"An Incomplete List of Disallowed Inputs vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial-of-Service (DoS).<br><br>When in a BGP traffic engineering scenario a specific, valid, optional, non-transitive BGP update is received over an established BGP session, RPD crashes and automatically restarts, which leads to traffic impact until routing has reconverged.<br><p><br>This issue affects:<br>Junos OS:<br></p><ul><li>All versions before 23.2R2-S6;</li><li>23.4 versions before 23.4R2-S7;</li><li>24.2 versions before 24.2R2-S4;</li><li>24.4 versions before 24.4R2-S4;</li><li>25.2 versions before 25.2R1-S2, 25.2R2;</li></ul><br>Junos OS Evolved:<br><ul><li>All versions before 23.2R2-S6-EVO;</li><li>23.4 versions before 23.4R2-S8.11-EVO;</li><li>24.2 versions before 24.2R2-S4-EVO;</li><li>24.4 versions before 24.4R2-S5-EVO;</li><li>25.2 versions before 25.2R1-S2-EVO, 25.2R2-EVO;</li></ul><br><p></p>"}],"value":"An Incomplete List of Disallowed Inputs vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial-of-Service (DoS).\n\nWhen in a BGP traffic engineering scenario a specific, valid, optional, non-transitive BGP update is received over an established BGP session, RPD crashes and automatically restarts, which leads to traffic impact until routing has reconverged.\n\nThis issue affects:\nJunos OS:\n\n\n  *  All versions before 23.2R2-S6;\n  *  23.4 versions before 23.4R2-S7;\n  *  24.2 versions before 24.2R2-S4;\n  *  24.4 versions before 24.4R2-S4;\n  *  25.2 versions before 25.2R1-S2, 25.2R2;\n\n\n\nJunos OS Evolved:\n  *  All versions before 23.2R2-S6-EVO;\n  *  23.4 versions before 23.4R2-S8.11-EVO;\n  *  24.2 versions before 24.2R2-S4-EVO;\n  *  24.4 versions before 24.4R2-S5-EVO;\n  *  25.2 versions before 25.2R1-S2-EVO, 25.2R2-EVO;"}],"exploits":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"value":"Juniper SIRT is not aware of any malicious exploitation of this 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Previously published versions of these releases have been rebuilt to resolve the security vulnerabilities identified in this advisory.\n\n\n\n<br>"}],"value":"The following software releases have been updated to resolve this specific issue:\n\n\nJunos OS: 23.2R2-S6, 23.4R2-S7, 24.2R2-S4, 24.4R2-S4, 25.2R1-S2, 25.2R2, 25.4R1, and all subsequent releases;\nJunos OS Evolved: 23.2R2-S6-EVO, 23.4R2-S8.11-EVO, 24.2R2-S4-EVO, 24.4R2-S5-EVO, 25.2R1-S2-EVO, 25.2R2-EVO, 25.4R1-EVO, and all subsequent releases.\n\n\n\n\nNote: For Junos OS releases 23.2, 23.4, and 24.2, and Junos OS Evolved releases 23.2-EVO, 23.4-EVO, and 24.2-EVO, specific respins have been referenced. Previously published versions of these releases have been rebuilt to resolve the security vulnerabilities identified in this advisory."}],"source":{"advisory":"JSA112168","defect":["1908614"],"discovery":"USER"},"title":"Junos OS and Junos OS Evolved: If in a traffic engineering scenario a specific valid BGP-LS attribute is received rpd crashes","workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"There are no known workarounds for this issue."}],"value":"There are no known workarounds for this issue."}],"x_generator":{"engine":"Vulnogram 0.1.0-dev"}}},"cveMetadata":{"assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","assignerShortName":"juniper","cveId":"CVE-2026-102087","datePublished":"2026-10-14T16:23:55.281Z","dateReserved":"2026-09-28T17:37:38.548Z","dateUpdated":"2026-10-14T20:26:06.313Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-14 17:18:04","lastModifiedDate":"2026-10-15 16:24:19","problem_types":["CWE-184","CWE-184 CWE-184 Incomplete Blacklist"],"metrics":{"cvssMetricV40":[{"source":"sirt@juniper.net","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/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:Y/R:A/V:X/RE:M/U:X","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"LOW","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"YES","Recovery":"AUTOMATIC","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"MODERATE","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"source":"sirt@juniper.net","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-10-14T20:16:18.843641Z","id":"CVE-2026-102087","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"102087","Ordinal":"1","Title":"Junos OS and Junos OS Evolved: If in a traffic engineering scena","CVE":"CVE-2026-102087","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"102087","Ordinal":"1","NoteData":"An Incomplete List of Disallowed Inputs vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial-of-Service (DoS).\n\nWhen in a BGP traffic engineering scenario a specific, valid, optional, non-transitive BGP update is received over an established BGP session, RPD crashes and automatically restarts, which leads to traffic impact until routing has reconverged.\n\nThis issue affects:\nJunos OS:\n\n\n  *  All versions before 23.2R2-S6;\n  *  23.4 versions before 23.4R2-S7;\n  *  24.2 versions before 24.2R2-S4;\n  *  24.4 versions before 24.4R2-S4;\n  *  25.2 versions before 25.2R1-S2, 25.2R2;\n\n\n\nJunos OS Evolved:\n  *  All versions before 23.2R2-S6-EVO;\n  *  23.4 versions before 23.4R2-S8.11-EVO;\n  *  24.2 versions before 24.2R2-S4-EVO;\n  *  24.4 versions before 24.4R2-S5-EVO;\n  *  25.2 versions before 25.2R1-S2-EVO, 25.2R2-EVO;","Type":"Description","Title":"Junos OS and Junos OS Evolved: If in a traffic engineering scena"}]}}}