Vulnerability DatabaseCVE-2026-13455
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CVE-2026-13455
Published:June 30, 2026
Updated:August 06, 2026
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 Packages
https://gitlab.com/dalibo/postgresql_anonymizer.git (SCM_GIT):
Affected version(s) >=tst1 <3.1.2
Fix Suggestion:
Update to version 3.1.2
Related Resources (3)
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/13xxx/CVE-2026-13455.json
https://gitlab.com/dalibo/postgresql_anonymizer/-/issues/649
https://nvd.nist.gov/vuln/detail/CVE-2026-13455
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CVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Use of Weak Hash
CWE-328
EPSS
Base Score:
0.12