{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-55706", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "state": "PUBLISHED", "assignerShortName": "mitre", "dateReserved": "2026-06-17T00:53:22.791Z", "datePublished": "2026-06-17T00:53:23.246Z", "dateUpdated": "2026-06-17T14:33:01.050Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "OpenBSD", "vendor": "OpenBSD", "versions": [{"lessThan": "076e2b1c1fc4ac0883a72d3544131ad5cee7adf8", "status": "affected", "version": "0", "versionType": "git"}]}], "descriptions": [{"lang": "en", "value": "sppp_pap_input in sys/net/if_spppsubr.c in OpenBSD before 076e2b1 allows authentication bypass via certain zero values for lengths."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "LOW", "baseScore": 5.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-1284", "description": "CWE-1284 Improper Validation of Specified Quantity in Input", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-06-17T00:53:23.246Z"}, "references": [{"url": "https://blog.argus-systems.ai/blog/openbsd-pap-27-year-auth-bypass.html"}, {"url": "https://www.openwall.com/lists/oss-security/2026/06/16/9"}, {"url": "https://github.com/openbsd/src/commit/076e2b1c1fc4ac0883a72d3544131ad5cee7adf8"}], "x_generator": {"engine": "CVE-Request-form 0.0.1"}, "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:*", "versionEndExcluding": "076e2b1c1fc4ac0883a72d3544131ad5cee7adf8"}]}]}], "x_gcve": [{"vulnId": "CVE-2026-55706", "recordType": "advisory"}]}, "adp": [{"references": [{"url": "https://blog.argus-systems.ai/blog/poc-001-pap-bypass.py", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-17T14:32:57.493186Z", "id": "CVE-2026-55706", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-17T14:33:01.050Z"}}]}, "vulnerability-lookup:meta": {"epss": {"cve": "CVE-2026-55706", "date": "2026-11-13", "epss": "0.00354", "percentile": "0.29588"}, "nvd": "{\"cve\":{\"id\":\"CVE-2026-55706\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2026-06-17T13:20:52.117\",\"lastModified\":\"2026-07-13T13:54:22.863\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"sppp_pap_input in sys/net/if_spppsubr.c in OpenBSD before 076e2b1 allows authentication bypass via certain zero values for lengths.\"}],\"affected\":[{\"source\":\"cve@mitre.org\",\"affectedData\":[{\"vendor\":\"OpenBSD\",\"product\":\"OpenBSD\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"076e2b1c1fc4ac0883a72d3544131ad5cee7adf8\",\"versionType\":\"git\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cve@mitre.org\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L\",\"baseScore\":5.8,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":1.6,\"impactScore\":3.7},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H\",\"baseScore\":8.3,\"baseSeverity\":\"HIGH\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.6,\"impactScore\":6.0}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-06-17T14:32:57.493186Z\",\"id\":\"CVE-2026-55706\",\"options\":[{\"exploitation\":\"poc\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"cve@mitre.org\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-1284\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"7.6\",\"matchCriteriaId\":\"75D44F13-0468-4BCE-B3E9-58FFF313431F\"}]}]}],\"references\":[{\"url\":\"https://blog.argus-systems.ai/blog/openbsd-pap-27-year-auth-bypass.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\",\"Exploit\"]},{\"url\":\"https://github.com/openbsd/src/commit/076e2b1c1fc4ac0883a72d3544131ad5cee7adf8\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\"]},{\"url\":\"https://www.openwall.com/lists/oss-security/2026/06/16/9\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Mailing List\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://blog.argus-systems.ai/blog/poc-001-pap-bypass.py\",\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"tags\":[\"Exploit\"]}]}}", "vulnrichment": {"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-55706\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-06-17T14:32:57.493186Z\"}}}], \"references\": [{\"url\": \"https://blog.argus-systems.ai/blog/poc-001-pap-bypass.py\", \"tags\": [\"exploit\"]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-06-17T14:32:37.796Z\"}}], \"cna\": {\"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 5.8, \"attackVector\": \"ADJACENT_NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"HIGH\", \"availabilityImpact\": \"LOW\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"LOW\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"OpenBSD\", \"product\": \"OpenBSD\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"076e2b1c1fc4ac0883a72d3544131ad5cee7adf8\", \"versionType\": \"git\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://blog.argus-systems.ai/blog/openbsd-pap-27-year-auth-bypass.html\"}, {\"url\": \"https://www.openwall.com/lists/oss-security/2026/06/16/9\"}, {\"url\": \"https://github.com/openbsd/src/commit/076e2b1c1fc4ac0883a72d3544131ad5cee7adf8\"}], \"x_generator\": {\"engine\": \"CVE-Request-form 0.0.1\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"sppp_pap_input in sys/net/if_spppsubr.c in OpenBSD before 076e2b1 allows authentication bypass via certain zero values for lengths.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-1284\", \"description\": \"CWE-1284 Improper Validation of Specified Quantity in Input\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"076e2b1c1fc4ac0883a72d3544131ad5cee7adf8\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"shortName\": \"mitre\", \"dateUpdated\": \"2026-06-17T00:53:23.246Z\"}}}", "cveMetadata": "{\"cveId\": \"CVE-2026-55706\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-06-17T14:33:01.050Z\", \"dateReserved\": \"2026-06-17T00:53:22.791Z\", \"assignerOrgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"datePublished\": \"2026-06-17T00:53:23.246Z\", \"assignerShortName\": \"mitre\"}", "dataType": "CVE_RECORD", "dataVersion": "5.2"}}}
