PostgreSQL Anonymizer: Unrestricted function can leak the secret salt
Priority LOW 19CWE-328Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
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
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00188 8th percentileScored 2026-11-07
Fix Fixed PostgreSQL Anonymizer (DALIBO): 3.1.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA PostgreSQL Anonymizer (DALIBO) Fixed in 3.1.2
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2026-13455
- 2026-10-03 Alias added: GHSA-8ch8-93q8-mhm3
References
More DALIBO Postgresql Anonymizer vulnerabilities
- TI-2026-10302 PostgreSQL Anonymizer: SQL injection in the rules import functions CVSS 3.1HIGH 7.5
Sources
- CVE-2026-13455 · CVE Program
- CVE-2026-13455 · NVD
- FIRST EPSS
- GHSA-8ch8-93q8-mhm3 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-13455 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences