{"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"}}]}}