{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-78174", "assignerOrgId": "5d1c2695-1a31-4499-88ae-e847036fd7e3", "state": "PUBLISHED", "assignerShortName": "WatchGuard", "dateReserved": "2026-08-23T15:33:57.487Z", "datePublished": "2026-08-27T23:26:30.875Z", "dateUpdated": "2026-08-28T15:56:52.024Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "5d1c2695-1a31-4499-88ae-e847036fd7e3", "shortName": "WatchGuard", "dateUpdated": "2026-08-27T23:26:30.875Z" }, "title": "WatchGuard Dimension Session Hijack via Exposed Session Tokens in Diagnostic Logs", "descriptions": [ { "lang": "en", "value": "WatchGuard Dimension records unredacted session identifiers for logged-in users in its web UI diagnostic log. A low-privileged Dimension Administrator can retrieve this log and extract a Super Administrator's session token while that administrator is logged in, enabling account takeover." } ], "affected": [ { "vendor": "WatchGuard", "product": "Dimension", "versions": [ { "status": "affected", "version": "2.0", "versionType": "semver", "lessThan": "2.3.1" } ], "defaultStatus": "unaffected" } ], "references": [ { "url": "https://psirt.watchguard.com/CVE-2026-78174", "tags": [ "vendor-advisory" ] } ], "cpeApplicability": [ { "operator": "OR", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:watchguard:dimension:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.0", "versionEndExcluding": "2.3.1" } ] } ] } ], "metrics": [ { "cvssV4_0": { "version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:N/SA:N", "baseScore": 9.3, "baseSeverity": "CRITICAL" } } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "CWE-200", "type": "CWE", "cweId": "CWE-200" }, { "lang": "en", "description": "CWE-269", "type": "CWE", "cweId": "CWE-269" }, { "lang": "en", "description": "CWE-532", "type": "CWE", "cweId": "CWE-532" } ] } ], "credits": [ { "lang": "en", "value": "Simone Paganessi (https://www.linkedin.com/in/simonepaganessi)", "type": "finder" } ], "solutions": [ { "lang": "en", "value": "Dimension 2.3.1", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "Dimension 2.3.1" } ] } ], "exploits": [ { "lang": "en", "value": "WatchGuard is not aware of any exploitation of this vulnerability in the wild.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "WatchGuard is not aware of any exploitation of this vulnerability in the wild." } ] } ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-08-28T14:33:06.931740Z", "id": "CVE-2026-78174", "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": "2026-08-28T15:56:52.024Z" } } ] } }