{"id":"CVE-2026-77173","state":"PUBLISHED","title":"A user could create a docx or odt file with a # in the filename with confidential information such as a credit card number and have it not be marked as confidential.","description":"A user could create a docx or odt file with a # in the filename with confidential information such as a credit card number and have it not be marked as confidential.","publishedAt":"2026-10-27T16:15:34.777Z","updatedAt":"2026-10-27T16:15:34.777Z","severity":{"score":4.3,"label":"Medium","version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","source":"hackerone"},"assigner":"hackerone","products":["Nextcloud Files Confidential"],"affected":[{"vendor":"Nextcloud","product":"Files Confidential","defaultStatus":"unaffected","versions":[{"version":"3.3.0","status":"affected","lessThanOrEqual":"5.0.0","versionType":"semver"}]}],"references":["https://hackerone.com/reports/3682163"],"weaknesses":["CWE-284"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/77xxx/CVE-2026-77173.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-77173","state":"PUBLISHED","datePublished":"2026-10-27T16:15:34.777Z","dateUpdated":"2026-10-27T16:15:34.777Z","assignerShortName":"hackerone","assignerOrgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateReserved":"2026-08-20T15:00:00.607Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A user could create a docx or odt file with a # in the filename with confidential information such as a credit card number and have it not be marked as confidential."}],"affected":[{"vendor":"Nextcloud","product":"Files Confidential","defaultStatus":"unaffected","versions":[{"version":"3.3.0","status":"affected","lessThanOrEqual":"5.0.0","versionType":"semver"}]}],"references":[{"url":"https://hackerone.com/reports/3682163"}],"metrics":[{"cvssV3_0":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","baseScore":4.3,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-284","type":"CWE","lang":"en","description":"CWE-284 Improper Access Control - Generic"}]}],"providerMetadata":{"shortName":"hackerone","orgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateUpdated":"2026-10-27T16:15:34.777Z"},"credits":[{"lang":"en","value":"XavLimSG (xavlimsg)","type":"finder"}],"workarounds":[{"lang":"en","value":"Change config setting: Add # to forbidden_filename_characters and rename all affected files"}]}}}}