{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-78691", "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "state": "PUBLISHED", "assignerShortName": "EEF", "dateReserved": "2026-08-30T05:45:01.818Z", "datePublished": "2026-08-30T11:55:20.331Z", "dateUpdated": "2026-08-30T11:55:20.331Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://repo.hex.pm", "cpes": ["cpe:2.3:a:ash-project:ash_sql:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.AshSql.Expr'"], "packageName": "ash_sql", "packageURL": "pkg:hex/ash_sql", "product": "ash_sql", "programFiles": ["lib/expr.ex"], "programRoutines": [{"name": "'Elixir.AshSql.Expr':escape_contains/1"}, {"name": "'Elixir.AshSql.Expr':escape_starts_with/1"}, {"name": "'Elixir.AshSql.Expr':escape_ends_with/1"}], "repo": "https://github.com/ash-project/ash_sql", "vendor": "ash-project", "versions": [{"lessThan": "0.7.1", "status": "affected", "version": "0.1.1-rc.10", "versionType": "semver"}]}, {"collectionURL": "https://github.com", "cpes": ["cpe:2.3:a:ash-project:ash_sql:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.AshSql.Expr'"], "packageName": "ash-project/ash_sql", "packageURL": "pkg:github/ash-project/ash_sql", "product": "ash_sql", "programFiles": ["lib/expr.ex"], "programRoutines": [{"name": "'Elixir.AshSql.Expr':escape_contains/1"}, {"name": "'Elixir.AshSql.Expr':escape_starts_with/1"}, {"name": "'Elixir.AshSql.Expr':escape_ends_with/1"}], "repo": "https://github.com/ash-project/ash_sql", "vendor": "ash-project", "versions": [{"lessThan": "d95c55c64b1b42cc2fd30211a4913f3145156cd4", "status": "affected", "version": "cfc7da474c5be2190fd62664a83a689377a8d512", "versionType": "git"}]}], "configurations": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>An application must pass untrusted input as the search term of <code>contains/2</code>, <code>string_starts_with/2</code>, or <code>string_ends_with/2</code> (for example a user-controlled substring search).</p>"}, {"base64": false, "type": "text/markdown", "value": "An application must pass untrusted input as the search term of `contains/2`, `string_starts_with/2`, or `string_ends_with/2` (for example a user-controlled substring search)."}], "value": "An application must pass untrusted input as the search term of contains/2, string_starts_with/2, or string_ends_with/2 (for example a user-controlled substring search)."}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ash-project:ash_sql:*:*:*:*:*:*:*:*", "versionEndExcluding": "0.7.1", "versionStartIncluding": "0.1.1-rc.10", "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 M\u00e4nnchen / EEF"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Improper Neutralization of Special Elements in Data Query Logic vulnerability in ash-project ash_sql allows a user who supplies a search term to <code>contains/2</code>, <code>string_starts_with/2</code>, or <code>string_ends_with/2</code> to inject live SQL <code>LIKE</code> wildcards, turning a literal substring search into an attacker-controlled pattern match.</p>\n<p>The escape helpers in <code>AshSql.Expr</code> prefix <code>%</code> and <code>_</code> with a backslash but never escape a backslash already present in the input. Because backslash is the default <code>LIKE</code> escape character, the escaping defeats itself: the input <code>\\%</code> becomes the pattern fragment <code>\\\\%</code>, where <code>\\\\</code> is a literal backslash and the attacker's <code>%</code> remains a live wildcard. The search value stays parameterized, so this is confined to the LIKE pattern grammar rather than full SQL. An attacker can widen matches to probe values, slip past a negated <code>contains(...)</code> guard, or crash the query with a trailing lone backslash.</p>\n<p>This issue affects ash_sql: from 0.1.1-rc.10 before 0.7.1.</p>"}, {"base64": false, "type": "text/markdown", "value": "Improper Neutralization of Special Elements in Data Query Logic vulnerability in ash-project ash_sql allows a user who supplies a search term to `contains/2`, `string_starts_with/2`, or `string_ends_with/2` to inject live SQL `LIKE` wildcards, turning a literal substring search into an attacker-controlled pattern match.\n\nThe escape helpers in `AshSql.Expr` prefix `%` and `_` with a backslash but never escape a backslash already present in the input. Because backslash is the default `LIKE` escape character, the escaping defeats itself: the input `\\%` becomes the pattern fragment `\\\\%`, where `\\\\` is a literal backslash and the attacker's `%` remains a live wildcard. The search value stays parameterized, so this is confined to the LIKE pattern grammar rather than full SQL. An attacker can widen matches to probe values, slip past a negated `contains(...)` guard, or crash the query with a trailing lone backslash.\n\nThis issue affects ash_sql: from 0.1.1-rc.10 before 0.7.1."}], "value": "Improper Neutralization of Special Elements in Data Query Logic vulnerability in ash-project ash_sql allows a user who supplies a search term to contains/2, string_starts_with/2, or string_ends_with/2 to inject live SQL LIKE wildcards, turning a literal substring search into an attacker-controlled pattern match.\n\nThe escape helpers in AshSql.Expr prefix % and _ with a backslash but never escape a backslash already present in the input. Because backslash is the default LIKE escape character, the escaping defeats itself: the input \\% becomes the pattern fragment \\\\%, where \\\\ is a literal backslash and the attacker's % remains a live wildcard. The search value stays parameterized, so this is confined to the LIKE pattern grammar rather than full SQL. An attacker can widen matches to probe values, slip past a negated contains(...) guard, or crash the query with a trailing lone backslash.\n\nThis issue affects ash_sql: from 0.1.1-rc.10 before 0.7.1."}], "impacts": [{"capecId": "CAPEC-116", "descriptions": [{"lang": "en", "value": "CAPEC-116 Excavation"}]}], "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:L/VI:N/VA:N/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-943", "description": "CWE-943 Improper Neutralization of Special Elements in Data Query Logic", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "shortName": "EEF", "dateUpdated": "2026-08-30T11:55:20.331Z"}, "references": [{"tags": ["vendor-advisory", "related"], "url": "https://github.com/ash-project/ash_sql/security/advisories/GHSA-5jgp-7mhc-6qqh"}, {"tags": ["related"], "url": "https://cna.erlef.org/cves/CVE-2026-78691.html"}, {"tags": ["related"], "url": "https://osv.dev/vulnerability/EEF-CVE-2026-78691"}, {"tags": ["patch"], "url": "https://github.com/ash-project/ash_sql/commit/d95c55c64b1b42cc2fd30211a4913f3145156cd4"}], "source": {"discovery": "EXTERNAL"}, "title": "Unescaped backslash allows LIKE wildcard injection in AshSql string search"}}}

{}

{"affected": [{"affectedData": [{"collectionURL": "https://repo.hex.pm", "cpes": ["cpe:2.3:a:ash-project:ash_sql:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.AshSql.Expr'"], "packageName": "ash_sql", "packageURL": "pkg:hex/ash_sql", "product": "ash_sql", "programFiles": ["lib/expr.ex"], "programRoutines": [{"name": "'Elixir.AshSql.Expr':escape_contains/1"}, {"name": "'Elixir.AshSql.Expr':escape_starts_with/1"}, {"name": "'Elixir.AshSql.Expr':escape_ends_with/1"}], "repo": "https://github.com/ash-project/ash_sql", "vendor": "ash-project", "versions": [{"lessThan": "0.7.1", "status": "affected", "version": "0.1.1-rc.10", "versionType": "semver"}]}, {"collectionURL": "https://github.com", "cpes": ["cpe:2.3:a:ash-project:ash_sql:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.AshSql.Expr'"], "packageName": "ash-project/ash_sql", "packageURL": "pkg:github/ash-project/ash_sql", "product": "ash_sql", "programFiles": ["lib/expr.ex"], "programRoutines": [{"name": "'Elixir.AshSql.Expr':escape_contains/1"}, {"name": "'Elixir.AshSql.Expr':escape_starts_with/1"}, {"name": "'Elixir.AshSql.Expr':escape_ends_with/1"}], "repo": "https://github.com/ash-project/ash_sql", "vendor": "ash-project", "versions": [{"lessThan": "d95c55c64b1b42cc2fd30211a4913f3145156cd4", "status": "affected", "version": "cfc7da474c5be2190fd62664a83a689377a8d512", "versionType": "git"}]}], "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Special Elements in Data Query Logic vulnerability in ash-project ash_sql allows a user who supplies a search term to contains/2, string_starts_with/2, or string_ends_with/2 to inject live SQL LIKE wildcards, turning a literal substring search into an attacker-controlled pattern match.\n\nThe escape helpers in AshSql.Expr prefix % and _ with a backslash but never escape a backslash already present in the input. Because backslash is the default LIKE escape character, the escaping defeats itself: the input \\% becomes the pattern fragment \\\\%, where \\\\ is a literal backslash and the attacker's % remains a live wildcard. The search value stays parameterized, so this is confined to the LIKE pattern grammar rather than full SQL. An attacker can widen matches to probe values, slip past a negated contains(...) guard, or crash the query with a trailing lone backslash.\n\nThis issue affects ash_sql: from 0.1.1-rc.10 before 0.7.1."}], "id": "CVE-2026-78691", "lastModified": "2026-08-30T12:17:18.550", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.1, "baseSeverity": "LOW", "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": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/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": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "type": "Secondary"}]}, "published": "2026-08-30T12:17:18.550", "references": [{"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://cna.erlef.org/cves/CVE-2026-78691.html"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/ash-project/ash_sql/commit/d95c55c64b1b42cc2fd30211a4913f3145156cd4"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/ash-project/ash_sql/security/advisories/GHSA-5jgp-7mhc-6qqh"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://osv.dev/vulnerability/EEF-CVE-2026-78691"}], "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-943"}], "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "type": "Secondary"}]}

{}

{"created": "2026-08-30T13:30:05.029177+00:00", "updated": "2026-08-30T13:30:05.029182+00:00", "vendors": []}