{"id":"CVE-2026-8296","state":"PUBLISHED","title":"In affected versions of Octopus Server with certain access levels it was possible to embed a Cross-Site Scripting Payload via artifacts.","description":"In affected versions of Octopus Server with certain access levels it was possible to embed a Cross-Site Scripting Payload via artifacts.","publishedAt":"2026-06-19T09:23:28.395Z","updatedAt":"2026-06-22T15:11:03.984Z","severity":{"score":5.6,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","source":"Octopus"},"assigner":"Octopus","products":["Octopus Deploy Octopus Server"],"affected":[{"vendor":"Octopus Deploy","product":"Octopus Server","defaultStatus":"unaffected","versions":[{"version":"2023.0.0","status":"affected","lessThan":"2025.4.10678","versionType":"custom"},{"version":"2026.1.0","status":"affected","lessThan":"2026.1.11451","versionType":"custom"},{"version":"2026.2.0","status":"affected","lessThan":"2026.2.13114","versionType":"custom"}],"platforms":["Windows","Linux"]}],"references":["https://advisories.octopus.com/post/2026/sa2026-05"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/8xxx/CVE-2026-8296.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-8296","state":"PUBLISHED","datePublished":"2026-06-19T09:23:28.395Z","dateUpdated":"2026-06-22T15:11:03.984Z","assignerShortName":"Octopus","assignerOrgId":"6f4f8c89-ef06-4bae-a2a5-6734ddf76272","dateReserved":"2026-05-11T09:44:07.992Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"In affected versions of Octopus Server with certain access levels it was possible to embed a Cross-Site Scripting Payload via artifacts."}],"affected":[{"vendor":"Octopus Deploy","product":"Octopus Server","defaultStatus":"unaffected","versions":[{"version":"2023.0.0","status":"affected","lessThan":"2025.4.10678","versionType":"custom"},{"version":"2026.1.0","status":"affected","lessThan":"2026.1.11451","versionType":"custom"},{"version":"2026.2.0","status":"affected","lessThan":"2026.2.13114","versionType":"custom"}],"platforms":["Windows","Linux"]}],"references":[{"url":"https://advisories.octopus.com/post/2026/sa2026-05"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"ACTIVE","vulnConfidentialityImpact":"HIGH","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":"MEDIUM","baseScore":5.6,"vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Stored XSS using artifacts"}]}],"providerMetadata":{"shortName":"Octopus","orgId":"6f4f8c89-ef06-4bae-a2a5-6734ddf76272","dateUpdated":"2026-06-19T09:23:28.395Z"},"credits":[{"lang":"en","value":"This vulnerability was found by asotyc","type":"finder"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-22T15:10:19.347472Z","id":"CVE-2026-8296","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","type":"CWE","lang":"en","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-22T15:11:03.984Z"}}]}}}