C21/100
Vulnerability · high
PostgreSQL releases fix 52 security vulnerabilities
Tier C · Keep an eye on it – Check if you’re affected
Who’s exposed: PostgreSQL 14–18 servers not yet updated to November 2026 releases
Tier C because: Hits tech teams
Reach
Attack
Damage
Fix
Popular tool
What to do
- Update PostgreSQL to 18.7, 17.12, 16.16, 15.20 or 14.25, matching your major version.
- If you use PGDG RPM repositories, update PostgreSQL and all installed extensions in the same transaction rather than updating the server alone.
The Brief
- PostgreSQL released 18.7, 17.12, 16.16, 15.20 and 14.25 on 2026-11-12, fixing 52 newly disclosed security vulnerabilities.
- The releases also include more than 140 bug fixes, according to Phoronix.
- PostgreSQL 19 RC2 was released the same day.
Why it matters
Developers running PostgreSQL 14 through 18 should apply the minor release for their major version, since the update fixes 52 security vulnerabilities.
The checklist behind the tier
Checklist · 2 of 10 yes
| Yes | Hits tech teams | PostgreSQL is a database server that developers and ops teams run and maintain. |
| No | Core infrastructure | PostgreSQL is widely used but is not in the core infrastructure list like OpenSSH, glibc or Kubernetes. |
| Yes | Popular tool | PostgreSQL is a mainstream, widely used database platform across many teams. |
| No | Exploited in the wild | Phoronix and Planet PostgreSQL only report disclosed vulnerabilities and releases; no observed attacks mentioned. |
| No | Public exploit | Phoronix and Planet PostgreSQL mention no published exploit code or proof-of-concept. |
| No | Remote, no login | Phoronix and Planet PostgreSQL do not state that any flaw is remotely exploitable without credentials. |
| No | Full takeover | Phoronix and Planet PostgreSQL do not describe code execution or privilege escalation impacts. |
| No | Secrets exposed | Phoronix and Planet PostgreSQL report no stolen credentials, data or source code. |
| No | Supply chain | Phoronix and Planet PostgreSQL describe ordinary security fixes, not compromised packages or build pipelines. |
| No | No fix yet | Planet PostgreSQL says fixed releases 18.7, 17.12, 16.16, 15.20 and 14.25 are out today. |
Timeline
Full coverage · 2 sources
First seen · 2 sources · Full story page · How tiers are decided