sosedoff pgweb up to 0.17.0 improper authorization

Summaryinfo

A vulnerability classified as critical has been found in sosedoff pgweb up to 0.17.0. Impacted is an unknown function. The manipulation leads to improper authorization. This vulnerability is listed as CVE-2026-91924. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in sosedoff pgweb up to 0.17.0 and classified as critical. This issue affects some unknown processing. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-91924 since 09/15/2026. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/15/2026). The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-78415). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• sosedoff

Name

• pgweb

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11
• 0.12
• 0.13
• 0.14
• 0.15
• 0.16
• 0.17.0

Website

• Product: https://github.com/sosedoff/pgweb/

CPE 2.3info

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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