CVE•Published 2026-06-30•Modified 2026-07-06•0 articles on news•5 live references•NVD data

CVE-2026-13455Dalibo · Postgresql_anonymizer

Vulnerability data via NVD (ingested)

CVSS v3.1

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS percentile

Exploit Prediction Scoring System · top 98% of all CVEs

Weaknesses (CWE)

CWE-328Use of Weak Hash

Description

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

Timeline

Published 2026-06-30

Modified 2026-07-06

External references

NVD MITRE Exploit-DB GitHub PoC VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-13455

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Dalibo Postgresql Anonymizer"

All exposed Dalibo Postgresql Anonymizer instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Postgresql Anonymizer"

HTTP body or banner mentions "Postgresql Anonymizer" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-13455