CVE-2026-83534 PostgreSQL Anonymizer: Privilege escalation to superuser via anon.anonymize_database_parallel()
Table owners can escalate privileges to superuser and execute arbitrary code via the anonymize_database_parallel function in PostgreSQL Anonymizer.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-83534?
CVE-2026-83534 is a medium-severity vulnerability in DALIBO PostgreSQL Anonymizer, published on 6 Sep 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
PostgreSQL Anonymizer contains a vulnerability in the anon.anonymize_database_parallel() function that allows the owner of a table to run arbitrary code with superuser privilege. The issue is fixed in PostgreSQL Anonymizer 3.2.0 and later versions
Weakness: CWE-250
Which versions are affected by CVE-2026-83534?
How do I fix CVE-2026-83534?
No fix has been published for CVE-2026-83534 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-83534 being exploited?
There is no known exploitation of CVE-2026-83534 in the wild and no public exploit code.
Sources
Also known as GHSA-j8qw-c658-vr9r.