CVE-2026-17348Network attack vector

Unauthenticated access via missing route decorators

Published Jul 31, 2026 · Updated Jul 31, 2026

Missing authentication in pgAdmin 4 SERVER mode before 9.17 allows remote attackers to read settings, delete constraints, or close sessions. The Constraints, preferences.get_all_cli, debugger.close, and schema_diff.close routes omit pga_login_required, so Flask dispatches them without a login check. Network access to a SERVER-mode deployment is sufficient; effects are bounded to exposed settings and constraint data, constraint deletion, and interruption of debugger or schema-diff sessions.

CVSS severity6.5
Medium
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authentication in pgAdmin 4 SERVER mode before 9.17 allows remote attackers to read settings, delete constraints, or close sessions. The Constraints, preferences.get_all_cli, debugger.close, and schema_diff.close routes omit pga_login_required, so Flask dispatches them without a login check. Network access to a SERVER-mode deployment is sufficient; effects are bounded to exposed settings and constraint data, constraint deletion, and interruption of debugger or schema-diff sessions.

The record

CVE
CVE-2026-17348
Published
Jul 31, 2026
Updated
Jul 31, 2026
Vendor
pgAdmin Development Team
Product
pgAdmin 4
Classifications
CWE-306, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 31, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 31, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0 <9.17
  2. Affected versionversion=4.18 <9.17
  3. Affected versionversion=8.2 <9.17

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

pgAdmin Development Team · pgAdmin 4version=1.0 <9.17; version=4.18 <9.17; version=8.2 <9.17

Published CVSS scores

6.9pgAdmin Development TeamCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
6.5pgAdmin Development TeamCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-306Missing Authentication for Critical Function
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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