CVE-2026-13455

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Source

https://cve.org/CVERecord?id=CVE-2026-13455

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-13455.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-13455

Published

2026-06-30T15:19:57.657Z

Modified

2026-07-08T07:53:24.013789412Z

Severity

4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS Calculator

Summary

PostgreSQL Anonymizer: Unrestricted function can leak the secret salt

Details

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

Database specific

{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/13xxx/CVE-2026-13455.json",
    "cna_assigner": "PostgreSQL",
    "cwe_ids": [
        "CWE-328"
    ]
}

References

Affected packages

Git / gitlab.com/dalibo/postgresql_anonymizer

Affected ranges

Type

GIT

Repo

https://gitlab.com/dalibo/postgresql_anonymizer

Events

Introduced

c79d5b610629a197f1eb4c868168c8cba9db4868

Fixed

5e3e4556e53a5535f47de3f7f99571023933a0c1

Database specific

{
    "source": [
        "AFFECTED_FIELD",
        "CPE_RANGE"
    ],
    "cpe": "cpe:2.3:a:dalibo:postgresql_anonymizer:*:*:*:*:*:postgresql:*:*",
    "extracted_events": [
        {
            "introduced": "1"
        },
        {
            "fixed": "3.1.2"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "3.1.2"
        }
    ]
}

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-13455.json"