{"id":"CVE-2026-42538","state":"PUBLISHED","title":"IRIS has an Insecure File Upload","description":"IRIS is a web collaborative platform that helps incident responders share technical details during investigations. Versions prior to 2.4.28 do not properly validate uploaded files. The application can therefore be misused to host phishing pages, amongst other things. This also creates another instance of a Cross-Site Scripting (XSS) vulnerability. Version 2.4.28 contains a patch.","publishedAt":"2026-06-04T20:48:58.466Z","updatedAt":"2026-06-05T20:07:09.013Z","severity":{"score":6.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["dfir-iris iris-web"],"affected":[{"vendor":"dfir-iris","product":"iris-web","versions":[{"version":"< 2.4.28","status":"affected"}]}],"references":["https://github.com/dfir-iris/iris-web/security/advisories/GHSA-m624-7744-2mhf","http://www.openwall.com/lists/oss-security/2026/05/19/8"],"weaknesses":["CWE-434"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/42xxx/CVE-2026-42538.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-42538","state":"PUBLISHED","datePublished":"2026-06-04T20:48:58.466Z","dateUpdated":"2026-06-05T20:07:09.013Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-04-28T16:56:50.190Z"},"containers":{"cna":{"title":"IRIS has an Insecure File Upload","descriptions":[{"lang":"en","value":"IRIS is a web collaborative platform that helps incident responders share technical details during investigations. Versions prior to 2.4.28 do not properly validate uploaded files. The application can therefore be misused to host phishing pages, amongst other things. This also creates another instance of a Cross-Site Scripting (XSS) vulnerability. Version 2.4.28 contains a patch."}],"affected":[{"vendor":"dfir-iris","product":"iris-web","versions":[{"version":"< 2.4.28","status":"affected"}]}],"references":[{"url":"https://github.com/dfir-iris/iris-web/security/advisories/GHSA-m624-7744-2mhf","name":"https://github.com/dfir-iris/iris-web/security/advisories/GHSA-m624-7744-2mhf","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.3,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-434","lang":"en","description":"CWE-434: Unrestricted Upload of File with Dangerous Type","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-06-04T20:48:58.466Z"},"source":{"advisory":"GHSA-m624-7744-2mhf","discovery":"UNKNOWN"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/05/19/8"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-06-04T21:36:13.505Z"}},{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/dfir-iris/iris-web/security/advisories/GHSA-m624-7744-2mhf","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-05T20:07:05.741297Z","id":"CVE-2026-42538","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-05T20:07:09.013Z"}}]}}}