{"id":"CVE-2026-80227","state":"PUBLISHED","title":"SQL string_trim removes only spaces, diverging from in-memory trimming in AshSql","description":"Incorrect Comparison vulnerability in ash-project ash_sql allows a user to pad a string field with tab, newline, carriage-return, or form-feed characters and pass a trimmed uniqueness or equality check in the database that the same expression would fail in memory (or the reverse).\n\nstring_trim/1 compiles to REGEXP_REPLACE patterns built from an Elixir string in which \\s is the escape for a single space (codepoint 32), not a regex whitespace class. The generated SQL therefore removes only literal spaces and leaves tabs, newlines, carriage returns, and form feeds in place, whereas String.trim/1 in Elixir removes them all. Any Ash filter, validation, or identity that relies on string_trim/1 then behaves differently depending on whether Ash pushes the expression down to SQL or evaluates it in memory, so padded input can register a near-duplicate value or slip past a trimmed comparison.\n\nThis issue affects ash_sql: from 0.1.0 before 0.7.1.","publishedAt":"2026-08-30T11:53:35.548Z","updatedAt":"2026-08-31T14:56:51.710Z","severity":{"score":2.1,"label":"Low","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","source":"EEF"},"assigner":"EEF","products":["ash-project ash_sql"],"affected":[{"vendor":"ash-project","product":"ash_sql","packageName":"ash_sql","packageURL":"pkg:hex/ash_sql","defaultStatus":"unaffected","versions":[{"version":"0.1.0","status":"affected","lessThan":"0.7.1","versionType":"semver"}],"collectionURL":"https://repo.hex.pm","cpes":["cpe:2.3:a:ash-project:ash_sql:*:*:*:*:*:*:*:*"],"modules":["'Elixir.AshSql.Expr'"],"programFiles":["lib/expr.ex"],"programRoutines":[{"name":"'Elixir.AshSql.Expr':do_dynamic_expr/6"}],"repo":"https://github.com/ash-project/ash_sql"},{"vendor":"ash-project","product":"ash_sql","packageName":"ash-project/ash_sql","packageURL":"pkg:github/ash-project/ash_sql","defaultStatus":"unaffected","versions":[{"version":"dd092ed273dec7bd2194352f24a39229fc8ae68b","status":"affected","lessThan":"1b11b5d8bc5321e2e6acac21594ef08f61986117","versionType":"git"}],"collectionURL":"https://github.com","cpes":["cpe:2.3:a:ash-project:ash_sql:*:*:*:*:*:*:*:*"],"modules":["'Elixir.AshSql.Expr'"],"programFiles":["lib/expr.ex"],"programRoutines":[{"name":"'Elixir.AshSql.Expr':do_dynamic_expr/6"}],"repo":"https://github.com/ash-project/ash_sql"}],"references":["https://github.com/ash-project/ash_sql/security/advisories/GHSA-76wx-w7ww-5xfq","https://cna.erlef.org/cves/CVE-2026-80227.html","https://osv.dev/vulnerability/EEF-CVE-2026-80227","https://github.com/ash-project/ash_sql/commit/1b11b5d8bc5321e2e6acac21594ef08f61986117"],"weaknesses":["CWE-697"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/80xxx/CVE-2026-80227.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-80227","state":"PUBLISHED","datePublished":"2026-08-30T11:53:35.548Z","dateUpdated":"2026-08-31T14:56:51.710Z","assignerShortName":"EEF","assignerOrgId":"6b3ad84c-e1a6-4bf7-a703-f496b71e49db","dateReserved":"2026-08-30T05:45:01.813Z"},"containers":{"cna":{"title":"SQL string_trim removes only spaces, diverging from in-memory trimming in AshSql","descriptions":[{"lang":"en","value":"Incorrect Comparison vulnerability in ash-project ash_sql allows a user to pad a string field with tab, newline, carriage-return, or form-feed characters and pass a trimmed uniqueness or equality check in the database that the same expression would fail in memory (or the reverse).\n\nstring_trim/1 compiles to REGEXP_REPLACE patterns built from an Elixir string in which \\s is the escape for a single space (codepoint 32), not a regex whitespace class. The generated SQL therefore removes only literal spaces and leaves tabs, newlines, carriage returns, and form feeds in place, whereas String.trim/1 in Elixir removes them all. Any Ash filter, validation, or identity that relies on string_trim/1 then behaves differently depending on whether Ash pushes the expression down to SQL or evaluates it in memory, so padded input can register a near-duplicate value or slip past a trimmed comparison.\n\nThis issue affects ash_sql: from 0.1.0 before 0.7.1."}],"affected":[{"vendor":"ash-project","product":"ash_sql","packageName":"ash_sql","packageURL":"pkg:hex/ash_sql","defaultStatus":"unaffected","versions":[{"version":"0.1.0","status":"affected","lessThan":"0.7.1","versionType":"semver"}],"collectionURL":"https://repo.hex.pm","cpes":["cpe:2.3:a:ash-project:ash_sql:*:*:*:*:*:*:*:*"],"modules":["'Elixir.AshSql.Expr'"],"programFiles":["lib/expr.ex"],"programRoutines":[{"name":"'Elixir.AshSql.Expr':do_dynamic_expr/6"}],"repo":"https://github.com/ash-project/ash_sql"},{"vendor":"ash-project","product":"ash_sql","packageName":"ash-project/ash_sql","packageURL":"pkg:github/ash-project/ash_sql","defaultStatus":"unaffected","versions":[{"version":"dd092ed273dec7bd2194352f24a39229fc8ae68b","status":"affected","lessThan":"1b11b5d8bc5321e2e6acac21594ef08f61986117","versionType":"git"}],"collectionURL":"https://github.com","cpes":["cpe:2.3:a:ash-project:ash_sql:*:*:*:*:*:*:*:*"],"modules":["'Elixir.AshSql.Expr'"],"programFiles":["lib/expr.ex"],"programRoutines":[{"name":"'Elixir.AshSql.Expr':do_dynamic_expr/6"}],"repo":"https://github.com/ash-project/ash_sql"}],"references":[{"url":"https://github.com/ash-project/ash_sql/security/advisories/GHSA-76wx-w7ww-5xfq","tags":["vendor-advisory","related"]},{"url":"https://cna.erlef.org/cves/CVE-2026-80227.html","tags":["related"]},{"url":"https://osv.dev/vulnerability/EEF-CVE-2026-80227","tags":["related"]},{"url":"https://github.com/ash-project/ash_sql/commit/1b11b5d8bc5321e2e6acac21594ef08f61986117","tags":["patch"]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"LOCAL","baseScore":2.1,"baseSeverity":"LOW","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-697","description":"CWE-697 Incorrect Comparison","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"EEF","orgId":"6b3ad84c-e1a6-4bf7-a703-f496b71e49db","dateUpdated":"2026-08-30T11:53:35.548Z"},"configurations":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>An application must use <code>string_trim/1</code> in a filter, validation, calculation, or identity that an attacker-influenced string field flows through, where the trimmed value is compared for equality or uniqueness.</p>"},{"base64":false,"type":"text/markdown","value":"An application must use `string_trim/1` in a filter, validation, calculation, or identity that an attacker-influenced string field flows through, where the trimmed value is compared for equality or uniqueness."}],"value":"An application must use string_trim/1 in a filter, validation, calculation, or identity that an attacker-influenced string field flows through, where the trimmed value is compared for equality or uniqueness."}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:ash-project:ash_sql:*:*:*:*:*:*:*:*","versionEndExcluding":"0.7.1","versionStartIncluding":"0.1.0","vulnerable":true}],"negate":false,"operator":"OR"}],"operator":"AND"}],"credits":[{"lang":"en","type":"finder","value":"Peter Ullrich"},{"lang":"en","type":"reporter","value":"Peter Ullrich"},{"lang":"en","type":"remediation developer","value":"Zach Daniel / Ash Project"},{"lang":"en","type":"coordinator","value":"Jonatan Männchen / EEF"}],"impacts":[{"capecId":"CAPEC-3","descriptions":[{"lang":"en","value":"CAPEC-3 Using Leading 'Ghost' Character Sequences to Bypass Input Filters"}]}],"source":{"discovery":"EXTERNAL"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/ash-project/ash_sql/security/advisories/GHSA-76wx-w7ww-5xfq","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-31T14:56:28.428746Z","id":"CVE-2026-80227","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-31T14:56:51.710Z"}}]}}}