CVE-2026-7820: Improper restriction of excessive authentication attempts (CWE-307) in pgAdmin 4. pgAdmin enforces MAX_LOGIN_

Q: How do I fix CVE-2026-7820?

pgadmin 4: upgrade to 9.15. Exact commands for each OS are on this page.

Q: Is CVE-2026-7820 being exploited?

CVE-2026-7820 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-2026-7820 affect?

CVE-2026-7820 affects pgadmin 4. Severity is medium (CVSS 6.5). Improper restriction of excessive authentication attempts (CWE-307) in pgAdmin 4. pgAdmin enforces MAX_LOGIN_ATTEMPTS only inside its custom /authenticate/login view. Flask-Security's default /login view, which is registered automatically

Q: How urgent is CVE-2026-7820?

Priority 31/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 6.5REMOTEUPGRADE

CVE-2026-7820 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.

Improper restriction of excessive authentication attempts (CWE-307) in pgAdmin 4. pgAdmin enforces MAX_LOGIN_ATTEMPTS only inside its custom /authenticate/login view. Flask-Security's default /login view, which is registered automatically by security.init_app() and is reachable on every server, never consulted the User.locked field: pgAdmin's User model relied on Flask-Security's UserMixin.is_locked() (which always returns 'not locked') and Flas

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 89%)
CISA exploited list	No
Weakness	CWE-307
Published	2026-05-11
Last modified	2026-10-26

Publisher (CNA): PostgreSQL · Vendor: pgadmin

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-11 16:17 UTCPublished CVE record published
2026-10-26 18:10 UTCUpdated Record last modified

pgadmin pgadmin 4 UPGRADE

Affected: < 9.15

Fixed in: 9.15

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 9.15 (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.

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-2026-7820?

pgadmin 4: upgrade to 9.15. Exact commands for each OS are on this page.

Is CVE-2026-7820 being exploited?

CVE-2026-7820 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-2026-7820 affect?

CVE-2026-7820 affects pgadmin 4. Severity is medium (CVSS 6.5). Improper restriction of excessive authentication attempts (CWE-307) in pgAdmin 4. pgAdmin enforces MAX_LOGIN_ATTEMPTS only inside its custom /authenticate/login view. Flask-Security's default /login view, which is registered automatically

How urgent is CVE-2026-7820?

Priority 31/100. Remotely exploitable, no login, no user action

Software pages

Flask vulnerabilities

Related CVEs

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References

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