{"id":"CVE-2026-111933","revision":"0629350cf29148419c99f7bcd8bd8df3","records":[{"revision":"0629350cf29148419c99f7bcd8bd8df3","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-111933","aliases":[],"title":"Coder before 2.34.2 User Enumeration via Login Placeholder Hash","description":"Coder before 2.29.17, 2.30.0 before 2.32.7, 2.33.0 before 2.33.8, and 2.34.0 before 2.34.2 contains a user enumeration vulnerability because userpassword.Compare() substitutes a placeholder hash derived from the string \"hunter2\" when a stored password hash is empty. Unauthenticated attackers can submit logins with the password \"hunter2\" and distinguish HTTP 403 from 401 responses to enumerate valid accounts and reveal the authentication provider of SSO-only users.","state":0,"publishedAt":"2026-10-17T18:46:43.456+00:00","modifiedAt":"2026-10-19T15:12:57.23+00:00","affected":[{"ecosystem":"Vendor product","name":"coder","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"coder\",\n                    \"product\": \"coder\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:golang/github.com/coder/coder/v2\",\n                    \"versions\": [\n                        {\n                            \"version\": \"2.34.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"2.34.2\"\n                        },\n                        {\n                            \"version\": \"2.34.2\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"coder","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"coder\",\n                    \"product\": \"coder\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:golang/github.com/coder/coder/v2\",\n                    \"versions\": [\n                        {\n                            \"version\": \"2.33.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"2.33.8\"\n                        },\n                        {\n                            \"version\": \"2.33.8\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"coder","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"coder\",\n                    \"product\": \"coder\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:golang/github.com/coder/coder/v2\",\n                    \"versions\": [\n                        {\n                            \"version\": \"2.30.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"2.32.7\"\n                        },\n                        {\n                            \"version\": \"2.32.7\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"coder","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"coder\",\n                    \"product\": \"coder\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:golang/github.com/coder/coder/v2\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"2.29.17\"\n                        },\n                        {\n                            \"version\": \"2.29.17\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","score":6.3,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","score":3.7,"severity":"LOW"}],"references":["https://github.com/coder/coder/security/advisories/GHSA-8fxq-53rx-ph5f","https://www.vulncheck.com/advisories/coder-before-2.34.2-user-enumeration-via-login-placeholder-hash"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111933","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111933","identifiers":["CVE-2026-111933"]},"retained":false,"historicalAffected":[]}],"coverage":[]}