{"api_version":"1","generated_at":"2026-08-30T04:24:45+00:00","cve":"CVE-2026-12357","urls":{"html":"https://cve.report/CVE-2026-12357","api":"https://cve.report/api/cve/CVE-2026-12357.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-12357","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-12357"},"summary":{"title":"Heimdall Data Database Proxy generateFileContent CRLF Injection Remote Code Execution Vulnerability","description":"Heimdall Data Database Proxy generateFileContent CRLF Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Heimdall Data Database Proxy. Authentication is required to exploit this vulnerability.\n\nThe specific flaw exists within the generateFileContent function. The issue results from the lack of proper neutralization of CRLF sequences. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-29251.","state":"PUBLISHED","assigner":"zdi","published_at":"2026-07-29 20:17:00","updated_at":"2026-07-29 20:17:00"},"problem_types":["CWE-93","CWE-93 CWE-93: Improper Neutralization of CRLF Sequences ('CRLF Injection')"],"metrics":[{"version":"3.0","source":"zdi-disclosures@trendmicro.com","type":"Secondary","score":"7.2","severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","baseScore":7.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.0","source":"CNA","type":"CVSS","score":"7.2","severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":7.2,"baseSeverity":"HIGH","vectorString":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","version":"3.0"}}],"references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-26-447/","name":"https://www.zerodayinitiative.com/advisories/ZDI-26-447/","refsource":"zdi-disclosures@trendmicro.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-12357","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12357","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Heimdall Data","product":"Database Proxy","version":"affected 25.03.01.21","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"12357","cve":"CVE-2026-12357","epss":"0.010890000","percentile":"0.620580000","score_date":"2026-08-02","updated_at":"2026-08-03 00:14:24"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-12357","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-07-29T19:35:43.509664Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-07-29T19:35:52.202Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unknown","product":"Database Proxy","vendor":"Heimdall Data","versions":[{"status":"affected","version":"25.03.01.21"}]}],"dateAssigned":"2026-06-15T22:03:12.962Z","datePublic":"2026-07-23T22:08:29.326Z","descriptions":[{"lang":"en","value":"Heimdall Data Database Proxy generateFileContent CRLF Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Heimdall Data Database Proxy. Authentication is required to exploit this vulnerability.\n\nThe specific flaw exists within the generateFileContent function. The issue results from the lack of proper neutralization of CRLF sequences. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-29251."}],"metrics":[{"cvssV3_0":{"baseScore":7.2,"baseSeverity":"HIGH","vectorString":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","version":"3.0"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-93","description":"CWE-93: Improper Neutralization of CRLF Sequences ('CRLF Injection')","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-07-29T19:04:58.457Z","orgId":"99f1926a-a320-47d8-bbb5-42feb611262e","shortName":"zdi"},"references":[{"name":"ZDI-26-447","tags":["x_research-advisory"],"url":"https://www.zerodayinitiative.com/advisories/ZDI-26-447/"}],"source":{"lang":"en","value":"Bobby Gould (@bobbygould5) of TrendAI Zero Day Initiative"},"title":"Heimdall Data Database Proxy generateFileContent CRLF Injection Remote Code Execution Vulnerability"}},"cveMetadata":{"assignerOrgId":"99f1926a-a320-47d8-bbb5-42feb611262e","assignerShortName":"zdi","cveId":"CVE-2026-12357","datePublished":"2026-07-29T19:04:58.457Z","dateReserved":"2026-06-15T22:03:12.917Z","dateUpdated":"2026-07-29T19:35:52.202Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-29 20:17:00","lastModifiedDate":"2026-07-29 20:17:00","problem_types":["CWE-93","CWE-93 CWE-93: Improper Neutralization of CRLF Sequences ('CRLF Injection')"],"metrics":{"cvssMetricV30":[{"source":"zdi-disclosures@trendmicro.com","type":"Secondary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","baseScore":7.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.2,"impactScore":5.9}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-29T19:35:43.509664Z","id":"CVE-2026-12357","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"12357","Ordinal":"1","Title":"Heimdall Data Database Proxy generateFileContent CRLF Injection ","CVE":"CVE-2026-12357","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"12357","Ordinal":"1","NoteData":"Heimdall Data Database Proxy generateFileContent CRLF Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Heimdall Data Database Proxy. Authentication is required to exploit this vulnerability.\n\nThe specific flaw exists within the generateFileContent function. The issue results from the lack of proper neutralization of CRLF sequences. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-29251.","Type":"Description","Title":"Heimdall Data Database Proxy generateFileContent CRLF Injection "}]}}}