{ "dataType": "CVE_RECORD", "cveMetadata": { "cveId": "CVE-2026-34475", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "state": "PUBLISHED", "assignerShortName": "mitre", "dateReserved": "2026-03-27T19:40:27.986Z", "datePublished": "2026-03-27T19:40:28.397Z", "dateUpdated": "2026-03-27T20:01:11.327Z" }, "containers": { "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "Varnish Cache", "vendor": "varnish-software", "versions": [ { "lessThan": "6.0.17 LTS", "status": "affected", "version": "0", "versionType": "custom" }, { "lessThan": "8.0.1", "status": "affected", "version": "7.0.0", "versionType": "custom" } ] } ], "descriptions": [ { "lang": "en", "value": "Varnish Cache before 8.0.1 and Varnish Enterprise before 6.0.16r12, in certain unchecked req.url scenarios, mishandle URLs with a path of / for HTTP/1.1, potentially leading to cache poisoning or authentication bypass." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N", "version": "3.1" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-180", "description": "CWE-180 Incorrect Behavior Order: Validate Before Canonicalize", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-03-27T19:47:58.919Z" }, "references": [ { "url": "https://vinyl-cache.org/security/VSV00018.html" } ], "x_generator": { "engine": "CVE-Request-form 0.0.1" }, "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:varnish-software:varnish_cache:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.0.17 LTS" }, { "vulnerable": true, "criteria": "cpe:2.3:a:varnish-software:varnish_cache:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.0.0", "versionEndExcluding": "8.0.1" } ] } ] } ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-03-27T20:00:56.066373Z", "id": "CVE-2026-34475", "options": [ { "Exploitation": "none" }, { "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": "2026-03-27T20:01:11.327Z" } } ] }, "dataVersion": "5.2" }