{"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":"2026-08-14T17:46:15.377Z"},"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, Dazadi.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 Putniņš, OffSeq (SIA SEQ)","type":"finder"},{"lang":"en","value":"CERT-LV","type":"coordinator"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.4"}},"adp":[{"references":[{"url":"https://offseq.com/en/research/zalktis-cve-2026-59109/","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-14T17:46:01.133135Z","id":"CVE-2026-59109","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-14T17:46:15.377Z"}}]}}