{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-114401", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-21T11:46:45.110Z", "datePublished": "2026-10-21T12:39:54.187Z", "dateUpdated": "2026-10-21T19:57:13.714Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-21T12:39:54.187Z" }, "datePublic": "2026-10-21T01:34:49.000Z", "title": "Trudesk through 1.2.11 Username Enumeration via Regex Injection in /api/v1/login", "descriptions": [ { "lang": "en", "value": "Trudesk through 1.2.11 contains a regular expression injection vulnerability that allows unauthenticated attackers to enumerate usernames by submitting regex patterns to POST /api/v1/login. Attackers can send alternations or prefixes like (admin|root) or a.* and distinguish 'Invalid User' from 'Invalid Password' responses to discover valid accounts." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Improper Neutralization of Special Elements in Data Query Logic", "cweId": "CWE-943", "type": "CWE" } ] } ], "affected": [ { "vendor": "polonel", "product": "trudesk", "defaultStatus": "unaffected", "versions": [ { "version": "0", "lessThanOrEqual": "1.2.11", "status": "affected", "versionType": "semver" } ], "packageURL": "pkg:github/polonel/trudesk", "repo": "https://github.com/polonel/trudesk" } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:trudesk_project:trudesk:*:*:*:*:*:*:*:*", "versionEndIncluding": "1.2.11" } ] } ] } ], "metrics": [ { "format": "CVSS", "cvssV4_0": { "version": "4.0", "vectorString": "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", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.9, "baseSeverity": "MEDIUM" } }, { "format": "CVSS", "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM" } } ], "references": [ { "url": "https://hackmd.io/@leediay/multiple-vuln-trudesk-1211", "tags": [ "third-party-advisory" ] }, { "url": "https://github.com/polonel/trudesk/blob/v1.2.11/src/models/user.js#L310-L319", "tags": [ "technical-description" ] }, { "url": "https://github.com/polonel/trudesk/blob/v1.2.11/src/controllers/api/v1/common.js#L45-L65", "tags": [ "technical-description" ] }, { "url": "https://github.com/polonel/trudesk", "tags": [ "product" ] }, { "name": "VulnCheck Advisory: Trudesk through 1.2.11 Username Enumeration via Regex Injection in /api/v1/login", "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/trudesk-through-1.2.11-username-enumeration-via-regex-injection-in-api-v1-login" } ], "credits": [ { "lang": "en", "value": "leediay153 from Viettel Post", "type": "finder" } ], "x_generator": { "engine": "vulncheck-endgame" } }, "adp": [ { "references": [ { "url": "https://hackmd.io/@leediay/multiple-vuln-trudesk-1211", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-21T19:57:08.285300Z", "id": "CVE-2026-114401", "options": [ { "Exploitation": "poc" }, { "Automatable": "yes" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-21T19:57:13.714Z" } } ] } }