{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-59109", "assignerOrgId": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "state": "PUBLISHED", "assignerShortName": "ENISA", "dateReserved": "2026-07-02T15:47:36.965Z", "datePublished": "2026-08-13T16:40:01.751Z", "dateUpdated": "2026-08-13T16:40:01.751Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "shortName": "ENISA", "dateUpdated": "2026-08-13T16:40:01.751Z"}, "title": "Zalktis: SQL injection via partner-controlled fields in imported e-invoices", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-89", "description": "CWE-89 Improper neutralization of special elements used in an SQL command ('SQL injection')", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-20", "description": "CWE-20 Improper input validation", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-66", "descriptions": [{"lang": "en", "value": "CAPEC-66 SQL Injection"}]}, {"capecId": "CAPEC-7", "descriptions": [{"lang": "en", "value": "CAPEC-7 Blind SQL Injection"}]}], "affected": [{"vendor": "Zalktis Programmas (SIA \"Zalktis Programmas\")", "product": "Zalktis", "platforms": ["Windows"], "versions": [{"status": "affected", "version": "0", "lessThan": "2026.1.586", "versionType": "semver"}, {"status": "affected", "version": "0", "lessThan": "2026.2.592", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "SQL injection in the Zalktis accounting application via\ntrading-partner-controlled text fields in received electronic invoices. When\nimporting a received e-invoice (UBL/PEPPOL) or an e-commerce export, Zalktis\nconcatenates partner-controlled values directly into SQL statement text using\nstring concatenation, with neither parameterised queries nor escaping. The\napplication's own escaping helper,\u00a0Dazadi.sql_txt(),\nis not invoked on these code paths, so a party that sends an invoice can break\nout of the string literal and alter the query logic.\n\n\n\n\n\n\n\n\n\nThis issue affects Zalktis: before 2026.1.586 and before 2026.2.592.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p><span>SQL injection in the Zalktis accounting application via\ntrading-partner-controlled text fields in received electronic invoices. When\nimporting a received e-invoice (UBL/PEPPOL) or an e-commerce export, Zalktis\nconcatenates partner-controlled values directly into SQL statement text using\nstring concatenation, with neither parameterised queries nor escaping. The\napplication's own escaping helper,&nbsp;</span><code><span>Dazadi.sql_txt()</span></code><span>,\nis not invoked on these code paths, so a party that sends an invoice can break\nout of the string literal and alter the query logic.</span></p>\n\n\n\n\n\n<p>This issue affects Zalktis: before 2026.1.586 and before 2026.2.592.</p>"}]}], "references": [{"url": "https://offseq.com/en/research/zalktis-cve-2026-59109", "tags": ["technical-description"]}, {"url": "https://cvd.cert.lv/disclosed/vuln-all-631428755", "tags": ["government-resource", "permissions-required"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 8.7, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}], "workarounds": [{"lang": "en", "value": "Until a fixed build is deployed: do not import e-invoices or\ne-commerce exports received from untrusted senders, and keep restorable backups\nof the accounting database taken before any import.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p><span>Until a fixed build is deployed: do not import e-invoices or\ne-commerce exports received from untrusted senders, and keep restorable backups\nof the accounting database taken before any import.</span></p>"}]}], "solutions": [{"lang": "en", "value": "The vendor addressed the issue by parameterising the affected\nqueries. Upgrade to 2026.1.586 (legacy branch) or 2026.2.592 (current branch)\nor later.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p><span>The vendor addressed the issue by parameterising the affected\nqueries. Upgrade to 2026.1.586 (legacy branch) or 2026.2.592 (current branch)\nor later.</span></p>"}]}], "credits": [{"lang": "en", "value": "Nils Putni\u0146\u0161, OffSeq (SIA SEQ)", "type": "finder"}, {"lang": "en", "value": "CERT-LV", "type": "coordinator"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.4"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "platforms": ["Windows"], "product": "Zalktis", "vendor": "Zalktis Programmas (SIA \"Zalktis Programmas\")", "versions": [{"lessThan": "2026.1.586", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "2026.2.592", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "SQL injection in the Zalktis accounting application via\ntrading-partner-controlled text fields in received electronic invoices. When\nimporting a received e-invoice (UBL/PEPPOL) or an e-commerce export, Zalktis\nconcatenates partner-controlled values directly into SQL statement text using\nstring concatenation, with neither parameterised queries nor escaping. The\napplication's own escaping helper,\u00a0Dazadi.sql_txt(),\nis not invoked on these code paths, so a party that sends an invoice can break\nout of the string literal and alter the query logic.\n\n\n\n\n\n\n\n\n\nThis issue affects Zalktis: before 2026.1.586 and before 2026.2.592."}], "id": "CVE-2026-59109", "lastModified": "2026-08-13T17:17:29.207", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "type": "Secondary"}]}, "published": "2026-08-13T17:17:29.207", "references": [{"source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "url": "https://cvd.cert.lv/disclosed/vuln-all-631428755"}, {"source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "url": "https://offseq.com/en/research/zalktis-cve-2026-59109"}], "sourceIdentifier": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}, {"lang": "en", "value": "CWE-89"}], "source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "type": "Secondary"}]}

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