CVE-2026-91924
High
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.
SeverityHigh
CVSS8.5
Exploit probability—
ProductSosedoff Pgweb
PublishedSep 15, 2026
First seenSep 15, 2026
Weakness typeCWE-862Missing authorization
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| sosedoff pgweb | v ≤ 0.17.0 | — |
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