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vuln-cve/data/2026/32xxx/CVE-2026-32687.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-32687",
"assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
"state": "PUBLISHED",
"assignerShortName": "EEF",
"dateReserved": "2026-03-13T09:12:14.475Z",
"datePublished": "2026-05-12T14:18:07.607Z",
"dateUpdated": "2026-07-24T14:16:18.902Z"
},
"containers": {
"cna": {
"affected": [
{
"collectionURL": "https://repo.hex.pm",
"cpes": [
"cpe:2.3:a:elixir-ecto:postgrex:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unaffected",
"modules": [
"'Elixir.Postgrex.Notifications'"
],
"packageName": "postgrex",
"packageURL": "pkg:hex/postgrex",
"product": "postgrex",
"programFiles": [
"lib/postgrex/notifications.ex"
],
"programRoutines": [
{
"name": "'Elixir.Postgrex.Notifications':listen/3"
},
{
"name": "'Elixir.Postgrex.Notifications':unlisten/3"
},
{
"name": "'Elixir.Postgrex.Notifications':handle_connect/1"
}
],
"repo": "https://github.com/elixir-ecto/postgrex.git",
"vendor": "elixir-ecto",
"versions": [
{
"lessThan": "0.22.2",
"status": "affected",
"version": "0.16.0",
"versionType": "semver"
}
]
},
{
"collectionURL": "https://github.com",
"cpes": [
"cpe:2.3:a:elixir-ecto:postgrex:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unaffected",
"modules": [
"'Elixir.Postgrex.Notifications'"
],
"packageName": "elixir-ecto/postgrex",
"packageURL": "pkg:github/elixir-ecto/postgrex",
"product": "postgrex",
"programFiles": [
"lib/postgrex/notifications.ex"
],
"programRoutines": [
{
"name": "'Elixir.Postgrex.Notifications':listen/3"
},
{
"name": "'Elixir.Postgrex.Notifications':unlisten/3"
},
{
"name": "'Elixir.Postgrex.Notifications':handle_connect/1"
}
],
"repo": "https://github.com/elixir-ecto/postgrex.git",
"vendor": "elixir-ecto",
"versions": [
{
"lessThan": "7cdedbd4316bb65f82e6a9a4f922c0ac491cb770",
"status": "affected",
"version": "266b530faf9bde094e31e0e4ab851f933fadc0f5",
"versionType": "git"
}
]
}
],
"configurations": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "<p>The application must call <tt>'Elixir.Postgrex.Notifications':listen/3</tt> or <tt>'Elixir.Postgrex.Notifications':unlisten/3</tt> with a channel name derived from untrusted user input.</p>"
}
],
"value": "The application must call 'Elixir.Postgrex.Notifications':listen/3 or 'Elixir.Postgrex.Notifications':unlisten/3 with a channel name derived from untrusted user input."
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:elixir-ecto:postgrex:*:*:*:*:*:*:*:*",
"versionEndExcluding": "0.22.2",
"versionStartIncluding": "0.16.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Peter Ullrich"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in elixir-ecto postgrex (<tt>'Elixir.Postgrex.Notifications'</tt> module) allows SQL Injection.<p>The <tt>channel</tt> argument passed to <tt>'Elixir.Postgrex.Notifications':listen/3</tt> and <tt>'Elixir.Postgrex.Notifications':unlisten/3</tt> is interpolated directly into <tt>LISTEN \"...\"</tt> / <tt>UNLISTEN \"...\"</tt> SQL statements without escaping the <tt>\"</tt> character. An attacker who can influence the channel name can inject a <tt>\"</tt> to break out of the quoted identifier and append arbitrary SQL. Because the notifications connection uses the PostgreSQL simple query protocol, multi-statement payloads are accepted, allowing DDL and DML commands to be chained (e.g. <tt>; DROP TABLE ...; --</tt>). The same unsanitized interpolation also occurs in <tt>handle_connect/1</tt> when replaying LISTEN commands after a reconnect.</p><p>This vulnerability is associated with program file <tt>lib/postgrex/notifications.ex</tt> and program routines <tt>'Elixir.Postgrex.Notifications':listen/3</tt>, <tt>'Elixir.Postgrex.Notifications':unlisten/3</tt>, <tt>'Elixir.Postgrex.Notifications':handle_connect/1</tt>.</p><p>This issue affects postgrex: from 0.16.0 before 0.22.2.</p>"
}
],
"value": "Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in elixir-ecto postgrex ('Elixir.Postgrex.Notifications' module) allows SQL Injection.\n\nThe channel argument passed to 'Elixir.Postgrex.Notifications':listen/3 and 'Elixir.Postgrex.Notifications':unlisten/3 is interpolated directly into LISTEN \"...\" / UNLISTEN \"...\" SQL statements without escaping the \" character. An attacker who can influence the channel name can inject a \" to break out of the quoted identifier and append arbitrary SQL. Because the notifications connection uses the PostgreSQL simple query protocol, multi-statement payloads are accepted, allowing DDL and DML commands to be chained (e.g. ; DROP TABLE ...; --). The same unsanitized interpolation also occurs in handle_connect/1 when replaying LISTEN commands after a reconnect.\n\nThis vulnerability is associated with program file lib/postgrex/notifications.ex and program routines 'Elixir.Postgrex.Notifications':listen/3, 'Elixir.Postgrex.Notifications':unlisten/3, 'Elixir.Postgrex.Notifications':handle_connect/1.\n\nThis issue affects postgrex: from 0.16.0 before 0.22.2."
}
],
"impacts": [
{
"capecId": "CAPEC-66",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-66 SQL Injection"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"attackVector": "LOCAL",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-89",
"description": "CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
"shortName": "EEF",
"dateUpdated": "2026-07-24T14:16:18.902Z"
},
"references": [
{
"tags": [
"vendor-advisory",
"related"
],
"url": "https://github.com/elixir-ecto/ecto/security/advisories/GHSA-r73h-97w8-m54h"
},
{
"tags": [
"related"
],
"url": "https://cna.erlef.org/cves/CVE-2026-32687.html"
},
{
"tags": [
"related"
],
"url": "https://osv.dev/vulnerability/EEF-CVE-2026-32687"
},
{
"tags": [
"patch"
],
"url": "https://github.com/elixir-ecto/postgrex/commit/7cdedbd4316bb65f82e6a9a4f922c0ac491cb770"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "SQL injection via channel name in Postgrex.Notifications.listen/3 and unlisten/3",
"x_generator": {
"engine": "cvelib 1.8.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-05-12T19:44:22.093287Z",
"id": "CVE-2026-32687",
"options": [
{
"Exploitation": "none"
},
{
"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": "2026-05-12T19:44:35.571Z"
}
}
]
}
}
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