{"id":"CVE-2026-112768","title":"Parse Server before 8.6.99 and 9.x before 9.10.3-alpha.2 Information Disclosure via User Update","summary":"Parse Server before 8.6.99 and 9.0.0 before 9.10.3-alpha.2 evaluates checks against the target account during a user update before authorizing the caller, and reflects their outcome in the response. An unauthorized caller, with or withou…","severity":"medium","cvss":6.9,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","cvssSource":"cna","cwe":["CWE-863"],"vendor":"parse-community","product":"parse-server","affected":["parse-server >= 9.0.0 < 9.10.3-alpha.2","parse-server < 8.6.99"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-19T21:24:04.328659Z"},"published":"2026-10-19","updated":"2026-10-19","sourceUpdated":"2026-10-19T21:24:16.538Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-112768","references":[{"url":"https://github.com/parse-community/parse-server/security/advisories/GHSA-p49q-9w65-f9p7","label":"GitHub Security Advisory (GHSA-p49q-9w65-f9p7)"},{"url":"https://www.vulncheck.com/advisories/parse-server-before-8.6.99-and-9-x-before-9.10.3-alpha.2-information-disclosure-via-user-update","label":"VulnCheck Advisory: Parse Server before 8.6.99 and 9.x before 9.10.3-alpha.2 Information Disclosure via User Update"}],"tags":["cve.org"],"ingestedAt":"2026-10-19T19:38:06.463Z","slug":"CVE-2026-112768","body":"## Overview\n\nParse Server before 8.6.99 and 9.0.0 before 9.10.3-alpha.2 evaluates checks against the target account during a user update before authorizing the caller, and reflects their outcome in the response. An unauthorized caller, with or without a session, can confirm guessed usernames or emails and, when passwordPolicy.maxPasswordHistory or doNotAllowUsername is set, guessed current or previous passwords, bypassing account lockout.\n\n## Affected\n\n- `parse-server >= 9.0.0 < 9.10.3-alpha.2`\n- `parse-server < 8.6.99`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":38,"depthScoreParts":{"impact":38,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}