{ "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": "

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

This issue affects Zalktis: before 2026.1.586 and before 2026.2.592.

" } ] } ], "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": "

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.

" } ] } ], "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": "

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.

" } ] } ], "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" } } ] } }