CVE-2026-116252: pgAdmin 4's materialized view refresh passed the target database's name to psql's --dbname argument unchanged

Q: How do I fix CVE-2026-116252?

pgadmin 4: upgrade to 9.19. Exact commands for each OS are on this page.

Q: Is CVE-2026-116252 being exploited?

CVE-2026-116252 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-116252 affect?

CVE-2026-116252 affects pgadmin 4. Severity is medium (CVSS 6.5). pgAdmin 4's materialized view refresh passed the target database's name to psql's --dbname argument unchanged. libpq treats a --dbname value containing "=" (or a postgresql:// URI) as a full connection string, whose keywords override the ho

Q: How urgent is CVE-2026-116252?

Priority 27/100. No elevated risk signals yet.

Routine

MEDIUM 6.5UPGRADE

CVE-2026-116252 is a medium-severity flaw (CVSS 6.5) affecting pgadmin 4. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

pgAdmin 4's materialized view refresh passed the target database's name to psql's --dbname argument unchanged. libpq treats a --dbname value containing "=" (or a postgresql:// URI) as a full connection string, whose keywords override the host, port and other settings pgAdmin had supplied. A database whose name is such a string, which any role with CREATEDB can create, therefore redirected the psql process pgAdmin starts for the refresh to a host

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 82%)
CISA exploited list	No
Weakness	CWE-88, CWE-522, CWE-918
Published	2026-10-30
Last modified	2026-11-04

Publisher (CNA): PostgreSQL · Vendor: pgadmin

Last updated 2026-11-04 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-10-30 20:17 UTCPublished CVE record published
2026-11-04 16:17 UTCUpdated Record last modified

pgadmin pgadmin 4 UPGRADE

Affected: < 9.19

Fixed in: 9.19

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy pgadmin-4 || rpm -q pgadmin-4 || pgadmin-4 --version

2. UPGRADE to 9.19 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade pgadmin-4

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pgadmin-4

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Advisories and coverage

Research and news

VulDB Recent Entries: CVE-2026-116252 | pgadmin.org pgAdmin up to 9.18 Materialized View Refresh database_conninfo dbname redirect 2026-10-30
Vulners Bulletins: CVE-2026-116252 2026-10-30

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-116252?

pgadmin 4: upgrade to 9.19. Exact commands for each OS are on this page.

Is CVE-2026-116252 being exploited?

CVE-2026-116252 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-116252 affect?

CVE-2026-116252 affects pgadmin 4. Severity is medium (CVSS 6.5). pgAdmin 4's materialized view refresh passed the target database's name to psql's --dbname argument unchanged. libpq treats a --dbname value containing "=" (or a postgresql:// URI) as a full connection string, whose keywords override the ho

How urgent is CVE-2026-116252?

Priority 27/100. No elevated risk signals yet.

Software pages

PostgreSQL vulnerabilities

Related CVEs

CVE-2026-116251 MEDIUM 4.2 UPGRADE pgAdmin 4 did not invalidate a user's existing sessions when their password changed, either through the user's
CVE-2026-7816 HIGH 8.8 UPGRADE OS command injection (CWE-78) vulnerability in pgAdmin 4 Import/Export query export. User-supplied input was
CVE-2026-7813 CRITICAL 9.9 UPGRADE Authorization vulnerability in pgAdmin 4 server mode affecting Server Groups, Servers, Shared Servers, Backgro
CVE-2026-7815 HIGH 8.8 UPGRADE SQL injection vulnerability in pgAdmin 4 Maintenance Tool. Four user-supplied JSON fields (buffer_usage_limit
CVE-2026-7819 HIGH 8.1 UPGRADE Symbolic-link path traversal (CWE-61, CWE-22) in pgAdmin 4 File Manager. check_access_permission used os.path

References

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