PatchTheCEVCVE-2026-17349: /misc/workspace/adhoc_connect_server, part of the Workspaces feature introduced in pgAdmin 4 9.0, when passed
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This month
CRITICAL 9.6UPGRADE
CVE-2026-17349 is a critical-severity flaw (CVSS 9.6) affecting pgadmin 4. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
/misc/workspace/adhoc_connect_server, part of the Workspaces feature introduced in pgAdmin 4 9.0, when passed the id of an existing server, clones that server via Server.clone(), which copies every column from the source row, including user_id, shared, shared_username, and the stored credential fields password, save_password, and tunnel_password. When a non-owner triggered an adhoc connect against another user's (in practice, typically an adminis
Why this priority
- Critical severity
A fixed release or distro patch exists.
Publisher (CNA): PostgreSQL · Vendor: pgadmin
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
pgadmin pgadmin 4 UPGRADE
Affected: >= 9.0 and < 9.17
Fixed in: 9.17
Safe to downgrade to: a release before 9.0
1. Check installed version
apt-cache policy pgadmin-4 || rpm -q pgadmin-4 || pgadmin-4 --version
2. UPGRADE to 9.17 (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.
3. If no update is available yet, DOWNGRADE to a release before 9.0 (Debian / Ubuntu)
apt-cache madison pgadmin-4
sudo apt install pgadmin-4=<VERSION_BEFORE_9.0>
sudo apt-mark hold pgadmin-4
3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list pgadmin-4
sudo dnf downgrade pgadmin-4-<VERSION_BEFORE_9.0>
sudo dnf versionlock add pgadmin-4
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
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.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
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