{"id":"CVE-2026-106155","state":"PUBLISHED","title":"Stored Cross-site Scripting (XSS) in Telerik Report Server Web Report Viewers","description":"In Progress® Telerik® Report Server prior to version 12.2.26.1007, a stored cross-site scripting vulnerability in the shared reporting engine allows an authenticated report author to embed javascript: or vbscript: URLs in report navigation actions or HTML text box links. When another user views the malicious report and the embedded navigation is triggered, attacker-controlled script can execute in the web report viewer's origin. In a multi-user Report Server deployment, this can enable privilege escalation by performing actions in a higher-privilege user's authenticated session, including an administrator's session.","publishedAt":"2026-10-09T07:07:57.817Z","updatedAt":"2026-10-09T18:03:02.317Z","severity":{"score":8.9,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L","source":"ProgressSoftware"},"assigner":"ProgressSoftware","products":["Progress Software Telerik Report Server"],"affected":[{"vendor":"Progress Software","product":"Telerik Report Server","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"12.2.26.1007","versionType":"custom"}]}],"references":["https://www.telerik.com/report-server/documentation/knowledge-base/kb-security-improper-neutralization-of-input-cve-2026-106155"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:10:23.711Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/106xxx/CVE-2026-106155.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-106155","state":"PUBLISHED","datePublished":"2026-10-09T07:07:57.817Z","dateUpdated":"2026-10-09T18:03:02.317Z","assignerShortName":"ProgressSoftware","assignerOrgId":"f9fea0b6-671e-4eea-8fde-31911902ae05","dateReserved":"2026-10-06T15:51:11.738Z"},"containers":{"cna":{"title":"Stored Cross-site Scripting (XSS) in Telerik Report Server Web Report Viewers","descriptions":[{"lang":"en","value":"In Progress® Telerik® Report Server prior to version 12.2.26.1007, a stored cross-site scripting vulnerability in the shared reporting engine allows an authenticated report author to embed javascript: or vbscript: URLs in report navigation actions or HTML text box links. When another user views the malicious report and the embedded navigation is triggered, attacker-controlled script can execute in the web report viewer's origin. In a multi-user Report Server deployment, this can enable privilege escalation by performing actions in a higher-privilege user's authenticated session, including an administrator's session."}],"affected":[{"vendor":"Progress Software","product":"Telerik Report Server","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"12.2.26.1007","versionType":"custom"}]}],"references":[{"url":"https://www.telerik.com/report-server/documentation/knowledge-base/kb-security-improper-neutralization-of-input-cve-2026-106155","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"LOW","baseSeverity":"HIGH","baseScore":8.9,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"ProgressSoftware","orgId":"f9fea0b6-671e-4eea-8fde-31911902ae05","dateUpdated":"2026-10-09T07:07:57.817Z"},"impacts":[{"capecId":"CAPEC-18","descriptions":[{"lang":"en","value":"XSS Targeting Non-Script Elements"}]}],"credits":[{"lang":"en","value":"Ivan Ivanov","type":"finder"}],"source":{"discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-09T18:02:51.071557Z","id":"CVE-2026-106155","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-09T18:03:02.317Z"}}]}}}