{"id":"CVE-2026-22665","aliases":[],"cve":{"records":[{"id":"CVE-2026-22665","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-01-08T19:04:26.364Z","published":"2026-04-03T20:28:10.061Z","modified":"2026-11-08T14:01:15.737Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-11-08T14:01:15.737Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-04-06T18:02:55.883Z"}],"references":[{"url":"https://github.com/f/prompts.chat/pull/1098","tags":["issue-tracking","patch"],"source":"VulnCheck"},{"url":"https://github.com/f/prompts.chat/commit/1464475df2698fb7ccd0cdbc382b0750466f891d","tags":["patch"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/prompts-chat-identity-confusion-via-case-sensitive-username-handling","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-178","description":"CWE-178 Improper Handling of Case Sensitivity","source":"VulnCheck"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-04-06T17:52:44.355269Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"total"}]}]},"title":"prompts.chat Identity Confusion via Case-Sensitive Username Handling","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"prompts.chat prior to commit 1464475, contains an identity confusion vulnerability due to inconsistent case-sensitive and case-insensitive handling of usernames across write and read paths, allowing attackers to create case-variant usernames that bypass uniqueness checks. Attackers can exploit non-deterministic username resolution to impersonate victim accounts, replace profile content on canonical URLs, and inject attacker-controlled metadata and content across the platform.","score":8.6,"severity":"high","published":"2026-04-03T20:28:10.061Z","modified":"2026-11-08T14:01:15.737Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"f","name":"prompts.chat","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"1464475df2698fb7ccd0cdbc382b0750466f891d","versionType":"git"}],"defaultStatus":"unaffected","packageURL":"pkg:github/f/prompts.chat","cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-22665"}],"remediation":[],"references":["https://github.com/f/prompts.chat/pull/1098","https://github.com/f/prompts.chat/commit/1464475df2698fb7ccd0cdbc382b0750466f891d","https://www.vulncheck.com/advisories/prompts-chat-identity-confusion-via-case-sensitive-username-handling"],"sources":[{"name":"CVE","id":"CVE-2026-22665","modified":"2026-11-08T14:01:15.737Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-22665"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","score":8.6},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","score":8.1}],"sourceAffected":[],"observedAt":"2026-11-08T14:16:35.466Z","kev":{"status":"not-listed","checkedAt":"2026-11-15T03:20:35.359Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-11-09T07:10:34.420Z","attemptedAt":"2026-11-09T07:10:34.420Z"},{"source":"GHSA","status":"available","checkedAt":"2026-11-09T07:10:35.045Z","attemptedAt":"2026-11-09T07:10:35.045Z"},{"source":"EUVD","status":"available","checkedAt":"2026-11-09T07:10:34.490Z","attemptedAt":"2026-11-09T07:10:34.490Z"},{"source":"EPSS","status":"available","checkedAt":"2026-11-09T07:10:35.804Z","attemptedAt":"2026-11-09T07:10:35.804Z"}],"evidence":[{"source":"NVD","id":"CVE-2026-22665","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-22665","modified":"2026-07-24T22:10:00.140","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","checkedAt":"2026-11-09T07:10:34.420Z"},{"source":"NVD","id":"CVE-2026-22665","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-22665","modified":"2026-07-24T22:10:00.140","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","checkedAt":"2026-11-09T07:10:34.420Z"},{"source":"ENISA EUVD","id":"EUVD-2026-18829","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-18829","modified":"Nov 8, 2026, 2:01:15 PM","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","checkedAt":"2026-11-09T07:10:34.490Z"},{"source":"GitHub Advisory Database","id":"GHSA-pcq9-m482-5r7j","url":"https://github.com/advisories/GHSA-pcq9-m482-5r7j","modified":"2026-04-03T21:31:49Z","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","checkedAt":"2026-11-09T07:10:35.045Z"},{"source":"FIRST EPSS","id":"CVE-2026-22665","url":"https://www.first.org/epss/","probability":0.00338,"percentile":0.27375,"date":"2026-11-08","checkedAt":"2026-11-09T07:10:35.804Z"}],"aiSummary":{"text":"prompts.chat, prior to commit 1464475, has an identity confusion vulnerability due to inconsistent case-sensitive and case-insensitive username handling, allowing attackers to impersonate accounts. The vulnerability affects version 0, with a commit less than 1464475df2698fb7ccd0cdbc382b0750466f891d. Attackers can exploit this to replace profile content and inject metadata.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-11-08T16:51:06.682Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-22665"}]}}