{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-13707","assignerOrgId":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc","state":"PUBLISHED","assignerShortName":"wikimedia-foundation","dateReserved":"2026-06-29T13:21:39.196Z","datePublished":"2026-07-01T14:32:26.598Z","dateUpdated":"2026-07-01T15:46:18.205Z"},"containers":{"cna":{"providerMetadata":{"orgId":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc","shortName":"wikimedia-foundation","dateUpdated":"2026-07-01T14:32:26.598Z"},"title":"Session fixation attacks on improperly configured OAuth 1.0a tools","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-384","description":"CWE-384 Session fixation","type":"CWE"}]}],"affected":[{"vendor":"Wikimedia Foundation","product":"OAuth","repo":"https://gerrit.wikimedia.org/g/mediawiki/extensions/OAuth/+/refs/heads/master","programFiles":["src/Backend/MWOAuthServer.php"],"versions":[{"status":"affected","version":"*","lessThanOrEqual":"1.46.0, 1.45.4, 1.44.6, 1.43.9","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"Session fixation vulnerability in Wikimedia Foundation OAuth.\n\n This vulnerability is associated with program files src/Backend/MWOAuthServer.Php.\n\n\n\nThis issue affects OAuth: from * through 1.46.0, 1.45.4, 1.44.6, 1.43.9.","supportingMedia":[{"type":"text/html","base64":false,"value":"Session fixation vulnerability in Wikimedia Foundation OAuth.<p> This vulnerability is associated with program files src/Backend/MWOAuthServer.Php.</p><p>This issue affects OAuth: from * through 1.46.0, 1.45.4, 1.44.6, 1.43.9.</p>"}]}],"references":[{"url":"https://phabricator.wikimedia.org/T428324"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"NONE","baseScore":0,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N"}}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-01T15:46:04.776893Z","id":"CVE-2026-13707","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":"2026-07-01T15:46:18.205Z"}}]}}