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vuln-cve/data/2026/13xxx/CVE-2026-13455.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-13455",
"assignerOrgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007",
"state": "PUBLISHED",
"assignerShortName": "PostgreSQL",
"dateReserved": "2026-06-26T18:36:50.872Z",
"datePublished": "2026-06-30T15:19:57.657Z",
"dateUpdated": "2026-06-30T15:57:53.085Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007",
"shortName": "PostgreSQL",
"dateUpdated": "2026-06-30T15:19:57.657Z"
},
"title": "PostgreSQL Anonymizer: Unrestricted function can leak the secret salt",
"descriptions": [
{
"lang": "en",
"value": "PostgreSQL Anonymizer contains a vulnerability that allows unprivileged masked users to repeatedly call the anon.hash() function and collects (seed, hash_output) pairs to perform an offline brute-force attack and deduce the salt. The problem is resolved in PostgreSQL Anonymizer 3.1.2 and later versions"
}
],
"affected": [
{
"defaultStatus": "unaffected",
"product": "PostgreSQL Anonymizer",
"vendor": "DALIBO",
"versions": [
{
"lessThan": "3.1.2",
"status": "affected",
"version": "1",
"versionType": "semver"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"cweId": "CWE-328",
"type": "CWE",
"description": "Use of Weak Hash"
}
]
}
],
"references": [
{
"url": "https://gitlab.com/dalibo/postgresql_anonymizer/-/issues/649"
}
],
"metrics": [
{
"format": "CVSS",
"cvssV3_1": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
"baseScore": 4.3,
"baseSeverity": "MEDIUM"
}
}
],
"workarounds": [
{
"lang": "en",
"value": "Restrict access to anon.hash() for masked users: SECURITY LABEL FOR anon ON FUNCTION anon.hash(TEXT) IS 'RESTRICTED'."
}
],
"credits": [
{
"lang": "en",
"value": "The PostgreSQL Anonymizer project thanks user Sarath Kumar for reporting this problem."
}
]
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-06-30T15:57:10.838763Z",
"id": "CVE-2026-13455",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-06-30T15:57:53.085Z"
}
}
]
}
}