pgweb through 0.17.0 leaves the POST /api/connect endpoint unguarded when connect-backend authorization is configured, allowing attackers to supply arbitrary database connection strings. Attackers can bypass the resource-to-database mapping by providing a custom session identifier and connection URL to access unauthorized databases and internal services.

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History

Tue, 15 Sep 2026 11:15:00 +0000

Type Values Removed Values Added
Description pgweb through 0.17.0 leaves the POST /api/connect endpoint unguarded when connect-backend authorization is configured, allowing attackers to supply arbitrary database connection strings. Attackers can bypass the resource-to-database mapping by providing a custom session identifier and connection URL to access unauthorized databases and internal services.
Title pgweb through 0.17.0 Missing Authorization on Direct Connect Endpoint
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 8.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N'}

cvssV4_0

{'score': 8.4, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-15T11:00:52.390Z

Reserved: 2026-09-15T10:42:44.016Z

Link: CVE-2026-91924

cve-icon Vulnrichment

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cve-icon NVD

Status : Received

Published: 2026-09-15T11:17:13.053

Modified: 2026-09-15T11:17:13.053

Link: CVE-2026-91924

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses